Add m-esr52 at 52.6.0

8 files changed, 2432 insertions, 0 deletions

diff --git a/dom/geolocation/MLSFallback.cpp b/dom/geolocation/MLSFallback.cpp
new file mode 100644
index 000000000..6cd355ed7
--- /dev/null
+++ b/dom/geolocation/MLSFallback.cpp
@@ -0,0 +1,82 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "MLSFallback.h"
+#include "nsGeoPosition.h"
+#include "nsIGeolocationProvider.h"
+#include "nsServiceManagerUtils.h"
+
+NS_IMPL_ISUPPORTS(MLSFallback, nsITimerCallback)
+
+MLSFallback::MLSFallback(uint32_t delay)
+: mDelayMs(delay)
+{
+}
+
+MLSFallback::~MLSFallback()
+{
+}
+
+nsresult
+MLSFallback::Startup(nsIGeolocationUpdate* aWatcher)
+{
+  if (mHandoffTimer || mMLSFallbackProvider) {
+    return NS_OK;
+  }
+
+  mUpdateWatcher = aWatcher;
+  nsresult rv;
+  mHandoffTimer = do_CreateInstance("@mozilla.org/timer;1", &rv);
+  NS_ENSURE_SUCCESS(rv, rv);
+  rv = mHandoffTimer->InitWithCallback(this, mDelayMs, nsITimer::TYPE_ONE_SHOT);
+  return rv;
+}
+
+nsresult
+MLSFallback::Shutdown()
+{
+  mUpdateWatcher = nullptr;
+
+  if (mHandoffTimer) {
+    mHandoffTimer->Cancel();
+    mHandoffTimer = nullptr;
+  }
+
+  nsresult rv = NS_OK;
+  if (mMLSFallbackProvider) {
+    rv = mMLSFallbackProvider->Shutdown();
+    mMLSFallbackProvider = nullptr;
+  }
+  return rv;
+}
+
+NS_IMETHODIMP
+MLSFallback::Notify(nsITimer* aTimer)
+{
+  return CreateMLSFallbackProvider();
+}
+
+nsresult
+MLSFallback::CreateMLSFallbackProvider()
+{
+  if (mMLSFallbackProvider || !mUpdateWatcher) {
+    return NS_OK;
+  }
+
+  nsresult rv;
+  mMLSFallbackProvider = do_CreateInstance("@mozilla.org/geolocation/mls-provider;1", &rv);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  if (mMLSFallbackProvider) {
+    rv = mMLSFallbackProvider->Startup();
+    if (NS_SUCCEEDED(rv)) {
+      mMLSFallbackProvider->Watch(mUpdateWatcher);
+    }
+  }
+  mUpdateWatcher = nullptr;
+  return rv;
+}
+
diff --git a/dom/geolocation/MLSFallback.h b/dom/geolocation/MLSFallback.h
new file mode 100644
index 000000000..a61379297
--- /dev/null
+++ b/dom/geolocation/MLSFallback.h
@@ -0,0 +1,48 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsCOMPtr.h"
+#include "nsITimer.h"
+
+class nsIGeolocationUpdate;
+class nsIGeolocationProvider;
+
+/*
+ This class wraps the NetworkGeolocationProvider in a delayed startup.
+ It is for providing a fallback to MLS when:
+ 1) using another provider as the primary provider, and
+ 2) that primary provider may fail to return a result (i.e. the error returned
+ is indeterminate, or no error callback occurs)
+
+ The intent is that the primary provider is started, then MLSFallback
+ is started with sufficient delay that the primary provider will respond first
+ if successful (in the majority of cases).
+
+ MLS has an average response of 3s, so with the 2s default delay, a response can
+ be expected in 5s.
+
+ Telemetry is recommended to monitor that the primary provider is responding
+ first when expected to do so.
+*/
+class MLSFallback : public nsITimerCallback
+{
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSITIMERCALLBACK
+
+  explicit MLSFallback(uint32_t delayMs = 2000);
+  nsresult Startup(nsIGeolocationUpdate* aWatcher);
+  nsresult Shutdown();
+
+private:
+  nsresult CreateMLSFallbackProvider();
+  virtual ~MLSFallback();
+  nsCOMPtr<nsITimer> mHandoffTimer;
+  nsCOMPtr<nsIGeolocationProvider> mMLSFallbackProvider;
+  nsCOMPtr<nsIGeolocationUpdate> mUpdateWatcher;
+  const uint32_t mDelayMs;
+};
+
diff --git a/dom/geolocation/moz.build b/dom/geolocation/moz.build
new file mode 100644
index 000000000..bb3fcb583
--- /dev/null
+++ b/dom/geolocation/moz.build
@@ -0,0 +1,50 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+EXPORTS += [
+    'nsGeoPosition.h',
+    'nsGeoPositionIPCSerialiser.h',
+]
+
+SOURCES += [
+    'nsGeolocation.cpp',
+]
+
+UNIFIED_SOURCES += [
+    'MLSFallback.cpp',
+    'nsGeoPosition.cpp',
+]
+
+include('/ipc/chromium/chromium-config.mozbuild')
+
+FINAL_LIBRARY = 'xul'
+LOCAL_INCLUDES += [
+    '/dom/base',
+    '/dom/ipc',
+]
+
+if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'android':
+    LOCAL_INCLUDES += [
+        '/dom/system/android',
+    ]
+elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'gonk':
+    LOCAL_INCLUDES += [
+        '/dom/system/gonk',
+    ]
+elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
+    LOCAL_INCLUDES += [
+        '/dom/system/mac',
+    ]
+elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'windows':
+    LOCAL_INCLUDES += [
+        '/dom/system/windows',
+    ]
+elif CONFIG['MOZ_WIDGET_TOOLKIT'] in ('gtk2', 'gtk3'):
+    if CONFIG['MOZ_GPSD']:
+        LOCAL_INCLUDES += [
+            '/dom/system/linux',
+        ]
+        DEFINES['MOZ_GPSD'] = True
diff --git a/dom/geolocation/nsGeoPosition.cpp b/dom/geolocation/nsGeoPosition.cpp
new file mode 100644
index 000000000..c4732457a
--- /dev/null
+++ b/dom/geolocation/nsGeoPosition.cpp
@@ -0,0 +1,263 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsGeoPosition.h"
+
+#include "mozilla/dom/PositionBinding.h"
+#include "mozilla/dom/CoordinatesBinding.h"
+
+////////////////////////////////////////////////////
+// nsGeoPositionCoords
+////////////////////////////////////////////////////
+nsGeoPositionCoords::nsGeoPositionCoords(double aLat, double aLong,
+                                         double aAlt, double aHError,
+                                         double aVError, double aHeading,
+                                         double aSpeed)
+  : mLat(aLat)
+  , mLong(aLong)
+  , mAlt(aAlt)
+  , mHError(aHError)
+  , mVError(aVError)
+  , mHeading(aHeading)
+  , mSpeed(aSpeed)
+{
+}
+
+nsGeoPositionCoords::~nsGeoPositionCoords()
+{
+}
+
+NS_INTERFACE_MAP_BEGIN(nsGeoPositionCoords)
+NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMGeoPositionCoords)
+NS_INTERFACE_MAP_ENTRY(nsIDOMGeoPositionCoords)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_ADDREF(nsGeoPositionCoords)
+NS_IMPL_RELEASE(nsGeoPositionCoords)
+
+NS_IMETHODIMP
+nsGeoPositionCoords::GetLatitude(double *aLatitude)
+{
+  *aLatitude = mLat;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGeoPositionCoords::GetLongitude(double *aLongitude)
+{
+  *aLongitude = mLong;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGeoPositionCoords::GetAltitude(double *aAltitude)
+{
+  *aAltitude = mAlt;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGeoPositionCoords::GetAccuracy(double *aAccuracy)
+{
+  *aAccuracy = mHError;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGeoPositionCoords::GetAltitudeAccuracy(double *aAltitudeAccuracy)
+{
+  *aAltitudeAccuracy = mVError;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGeoPositionCoords::GetHeading(double *aHeading)
+{
+  *aHeading = mHeading;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGeoPositionCoords::GetSpeed(double *aSpeed)
+{
+  *aSpeed = mSpeed;
+  return NS_OK;
+}
+
+////////////////////////////////////////////////////
+// nsGeoPosition
+////////////////////////////////////////////////////
+
+nsGeoPosition::nsGeoPosition(double aLat, double aLong,
+                             double aAlt, double aHError,
+                             double aVError, double aHeading,
+                             double aSpeed, long long aTimestamp) :
+    mTimestamp(aTimestamp)
+{
+    mCoords = new nsGeoPositionCoords(aLat, aLong,
+                                      aAlt, aHError,
+                                      aVError, aHeading,
+                                      aSpeed);
+}
+
+nsGeoPosition::nsGeoPosition(nsIDOMGeoPositionCoords *aCoords,
+                             long long aTimestamp) :
+    mTimestamp(aTimestamp),
+    mCoords(aCoords)
+{
+}
+
+nsGeoPosition::nsGeoPosition(nsIDOMGeoPositionCoords *aCoords,
+                             DOMTimeStamp aTimestamp) :
+  mTimestamp(aTimestamp),
+  mCoords(aCoords)
+{
+}
+
+nsGeoPosition::~nsGeoPosition()
+{
+}
+
+NS_INTERFACE_MAP_BEGIN(nsGeoPosition)
+NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMGeoPosition)
+NS_INTERFACE_MAP_ENTRY(nsIDOMGeoPosition)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_ADDREF(nsGeoPosition)
+NS_IMPL_RELEASE(nsGeoPosition)
+
+NS_IMETHODIMP
+nsGeoPosition::GetTimestamp(DOMTimeStamp* aTimestamp)
+{
+  *aTimestamp = mTimestamp;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGeoPosition::GetCoords(nsIDOMGeoPositionCoords * *aCoords)
+{
+  NS_IF_ADDREF(*aCoords = mCoords);
+  return NS_OK;
+}
+
+namespace mozilla {
+namespace dom {
+
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(Position, mParent, mCoordinates)
+NS_IMPL_CYCLE_COLLECTING_ADDREF(Position)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(Position)
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Position)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+Position::Position(nsISupports* aParent, nsIDOMGeoPosition* aGeoPosition)
+  : mParent(aParent)
+  , mGeoPosition(aGeoPosition)
+{
+}
+
+Position::~Position()
+{
+}
+
+nsISupports*
+Position::GetParentObject() const
+{
+  return mParent;
+}
+
+JSObject*
+Position::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return PositionBinding::Wrap(aCx, this, aGivenProto);
+}
+
+Coordinates*
+Position::Coords()
+{
+  if (!mCoordinates) {
+    nsCOMPtr<nsIDOMGeoPositionCoords> coords;
+    mGeoPosition->GetCoords(getter_AddRefs(coords));
+    MOZ_ASSERT(coords, "coords should not be null");
+
+    mCoordinates = new Coordinates(this, coords);
+  }
+
+  return mCoordinates;
+}
+
+uint64_t
+Position::Timestamp() const
+{
+  uint64_t rv;
+
+  mGeoPosition->GetTimestamp(&rv);
+  return rv;
+}
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(Coordinates, mPosition)
+NS_IMPL_CYCLE_COLLECTING_ADDREF(Coordinates)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(Coordinates)
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Coordinates)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+Coordinates::Coordinates(Position* aPosition, nsIDOMGeoPositionCoords* aCoords)
+  : mPosition(aPosition)
+  , mCoords(aCoords)
+{
+}
+
+Coordinates::~Coordinates()
+{
+}
+
+Position*
+Coordinates::GetParentObject() const
+{
+  return mPosition;
+}
+
+JSObject*
+Coordinates::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return CoordinatesBinding::Wrap(aCx, this, aGivenProto);
+}
+
+#define GENERATE_COORDS_WRAPPED_GETTER(name) \
+double                                       \
+Coordinates::name() const                    \
+{                                            \
+  double rv;                                 \
+  mCoords->Get##name(&rv);                   \
+  return rv;                                 \
+}
+
+#define GENERATE_COORDS_WRAPPED_GETTER_NULLABLE(name) \
+Nullable<double>                                      \
+Coordinates::Get##name() const                        \
+{                                                     \
+  double rv;                                          \
+  mCoords->Get##name(&rv);                            \
+  return Nullable<double>(rv);                        \
+}
+
+GENERATE_COORDS_WRAPPED_GETTER(Latitude)
+GENERATE_COORDS_WRAPPED_GETTER(Longitude)
+GENERATE_COORDS_WRAPPED_GETTER_NULLABLE(Altitude)
+GENERATE_COORDS_WRAPPED_GETTER(Accuracy)
+GENERATE_COORDS_WRAPPED_GETTER_NULLABLE(AltitudeAccuracy)
+GENERATE_COORDS_WRAPPED_GETTER_NULLABLE(Heading)
+GENERATE_COORDS_WRAPPED_GETTER_NULLABLE(Speed)
+
+#undef GENERATE_COORDS_WRAPPED_GETTER
+#undef GENERATE_COORDS_WRAPPED_GETTER_NULLABLE
+
+} // namespace dom
+} // namespace mozilla
diff --git a/dom/geolocation/nsGeoPosition.h b/dom/geolocation/nsGeoPosition.h
new file mode 100644
index 000000000..06b406c32
--- /dev/null
+++ b/dom/geolocation/nsGeoPosition.h
@@ -0,0 +1,145 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsGeoPosition_h
+#define nsGeoPosition_h
+
+#include "nsIDOMGeoPositionCoords.h"
+#include "nsIDOMGeoPosition.h"
+#include "nsString.h"
+#include "mozilla/Attributes.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsWrapperCache.h"
+#include "mozilla/dom/Nullable.h"
+#include "js/TypeDecls.h"
+
+////////////////////////////////////////////////////
+// nsGeoPositionCoords
+////////////////////////////////////////////////////
+
+/**
+ * Simple object that holds a single point in space.
+ */
+class nsGeoPositionCoords final : public nsIDOMGeoPositionCoords
+{
+public:
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSIDOMGEOPOSITIONCOORDS
+  
+  nsGeoPositionCoords(double aLat, double aLong,
+                      double aAlt, double aHError,
+                      double aVError, double aHeading,
+                      double aSpeed);
+private:
+  ~nsGeoPositionCoords();
+  const double mLat, mLong, mAlt, mHError, mVError, mHeading, mSpeed;
+};
+
+
+////////////////////////////////////////////////////
+// nsGeoPosition
+////////////////////////////////////////////////////
+
+class nsGeoPosition final : public nsIDOMGeoPosition
+{
+public:
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSIDOMGEOPOSITION
+  
+  nsGeoPosition(double aLat, double aLong,
+                double aAlt, double aHError,
+                double aVError, double aHeading,
+                double aSpeed, long long aTimestamp);
+  
+
+  nsGeoPosition(nsIDOMGeoPositionCoords *aCoords,
+                long long aTimestamp);
+
+  nsGeoPosition(nsIDOMGeoPositionCoords *aCoords,
+                DOMTimeStamp aTimestamp);
+
+private:
+  ~nsGeoPosition();
+  long long mTimestamp;
+  RefPtr<nsIDOMGeoPositionCoords> mCoords;
+};
+
+////////////////////////////////////////////////////
+// WebIDL wrappers for the classes above
+////////////////////////////////////////////////////
+
+namespace mozilla {
+namespace dom {
+
+class Coordinates;
+
+class Position final : public nsISupports,
+                       public nsWrapperCache
+{
+  ~Position();
+
+public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Position)
+
+public:
+  Position(nsISupports* aParent, nsIDOMGeoPosition* aGeoPosition);
+
+  nsISupports* GetParentObject() const;
+
+  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  Coordinates* Coords();
+
+  uint64_t Timestamp() const;
+
+  nsIDOMGeoPosition* GetWrappedGeoPosition() { return mGeoPosition; }
+
+private:
+  RefPtr<Coordinates> mCoordinates;
+  nsCOMPtr<nsISupports> mParent;
+  nsCOMPtr<nsIDOMGeoPosition> mGeoPosition;
+};
+
+class Coordinates final : public nsISupports,
+                          public nsWrapperCache
+{
+  ~Coordinates();
+
+public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Coordinates)
+
+public:
+  Coordinates(Position* aPosition, nsIDOMGeoPositionCoords* aCoords);
+
+  Position* GetParentObject() const;
+
+  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  double Latitude() const;
+
+  double Longitude() const;
+
+  Nullable<double> GetAltitude() const;
+
+  double Accuracy() const;
+
+  Nullable<double> GetAltitudeAccuracy() const;
+
+  Nullable<double> GetHeading() const;
+
+  Nullable<double> GetSpeed() const;
+private:
+  RefPtr<Position> mPosition;
+  nsCOMPtr<nsIDOMGeoPositionCoords> mCoords;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif /* nsGeoPosition_h */
+
diff --git a/dom/geolocation/nsGeoPositionIPCSerialiser.h b/dom/geolocation/nsGeoPositionIPCSerialiser.h
new file mode 100644
index 000000000..3965ef192
--- /dev/null
+++ b/dom/geolocation/nsGeoPositionIPCSerialiser.h
@@ -0,0 +1,152 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef dom_src_geolocation_IPC_serialiser
+#define dom_src_geolocation_IPC_serialiser
+
+#include "ipc/IPCMessageUtils.h"
+#include "nsGeoPosition.h"
+#include "nsIDOMGeoPosition.h"
+
+typedef nsIDOMGeoPosition* GeoPosition;
+
+namespace IPC {
+
+template <>
+struct ParamTraits<nsIDOMGeoPositionCoords*>
+{
+  typedef nsIDOMGeoPositionCoords* paramType;
+
+  // Function to serialize a geoposition
+  static void Write(Message *aMsg, const paramType& aParam)
+  {
+    bool isNull = !aParam;
+    WriteParam(aMsg, isNull);
+    // If it is a null object, then we are done
+    if (isNull) return;
+
+    double coordData;
+
+    aParam->GetLatitude(&coordData);
+    WriteParam(aMsg, coordData);
+
+    aParam->GetLongitude(&coordData);
+    WriteParam(aMsg, coordData);
+
+    aParam->GetAltitude(&coordData);
+    WriteParam(aMsg, coordData);
+
+    aParam->GetAccuracy(&coordData);
+    WriteParam(aMsg, coordData);
+
+    aParam->GetAltitudeAccuracy(&coordData);
+    WriteParam(aMsg, coordData);
+
+    aParam->GetHeading(&coordData);
+    WriteParam(aMsg, coordData);
+
+    aParam->GetSpeed(&coordData);
+    WriteParam(aMsg, coordData);
+  }
+
+  // Function to de-serialize a geoposition
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    // Check if it is the null pointer we have transfered
+    bool isNull;
+    if (!ReadParam(aMsg, aIter, &isNull)) return false;
+
+    if (isNull) {
+      *aResult = 0;
+      return true;
+    }
+
+    double latitude;
+    double longitude;
+    double altitude;
+    double accuracy;
+    double altitudeAccuracy;
+    double heading;
+    double speed;
+
+    // It's not important to us where it fails, but rather if it fails
+    if (!(   ReadParam(aMsg, aIter, &latitude         )
+          && ReadParam(aMsg, aIter, &longitude        )
+          && ReadParam(aMsg, aIter, &altitude         )
+          && ReadParam(aMsg, aIter, &accuracy         )
+          && ReadParam(aMsg, aIter, &altitudeAccuracy )
+          && ReadParam(aMsg, aIter, &heading          )
+          && ReadParam(aMsg, aIter, &speed            ))) return false;
+
+    // We now have all the data
+    *aResult = new nsGeoPositionCoords(latitude,         /* aLat     */
+                                       longitude,        /* aLong    */
+                                       altitude,         /* aAlt     */
+                                       accuracy,         /* aHError  */
+                                       altitudeAccuracy, /* aVError  */
+                                       heading,          /* aHeading */
+                                       speed             /* aSpeed   */
+                                      );
+    return true;
+
+  }
+
+};
+
+template <>
+struct ParamTraits<nsIDOMGeoPosition*>
+{
+  typedef nsIDOMGeoPosition* paramType;
+
+  // Function to serialize a geoposition
+  static void Write(Message *aMsg, const paramType& aParam)
+  {
+    bool isNull = !aParam;
+    WriteParam(aMsg, isNull);
+    // If it is a null object, then we are done
+    if (isNull) return;
+
+    DOMTimeStamp timeStamp;
+    aParam->GetTimestamp(&timeStamp);
+    WriteParam(aMsg, timeStamp);
+
+    nsCOMPtr<nsIDOMGeoPositionCoords> coords;
+    aParam->GetCoords(getter_AddRefs(coords));
+    WriteParam(aMsg, coords.get());
+  }
+
+  // Function to de-serialize a geoposition
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    // Check if it is the null pointer we have transfered
+    bool isNull;
+    if (!ReadParam(aMsg, aIter, &isNull)) return false;
+
+    if (isNull) {
+      *aResult = 0;
+      return true;
+    }
+
+    DOMTimeStamp timeStamp;
+    nsIDOMGeoPositionCoords* coords = nullptr;
+
+    // It's not important to us where it fails, but rather if it fails
+    if (!ReadParam(aMsg, aIter, &timeStamp) ||
+        !ReadParam(aMsg, aIter, &coords)) {
+      nsCOMPtr<nsIDOMGeoPositionCoords> tmpcoords = coords;
+      return false;
+    }
+
+    *aResult = new nsGeoPosition(coords, timeStamp);
+
+    return true;
+  };
+
+};
+
+} // namespace IPC
+
+#endif
diff --git a/dom/geolocation/nsGeolocation.cpp b/dom/geolocation/nsGeolocation.cpp
new file mode 100644
index 000000000..9fcdb350a
--- /dev/null
+++ b/dom/geolocation/nsGeolocation.cpp
@@ -0,0 +1,1432 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsXULAppAPI.h"
+
+#include "mozilla/dom/ContentChild.h"
+#include "mozilla/Telemetry.h"
+#include "mozilla/UniquePtr.h"
+
+#include "nsGeolocation.h"
+#include "nsDOMClassInfoID.h"
+#include "nsComponentManagerUtils.h"
+#include "nsServiceManagerUtils.h"
+#include "nsContentUtils.h"
+#include "nsContentPermissionHelper.h"
+#include "nsIDocument.h"
+#include "nsIObserverService.h"
+#include "nsPIDOMWindow.h"
+#include "nsThreadUtils.h"
+#include "mozilla/Services.h"
+#include "mozilla/Unused.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/ClearOnShutdown.h"
+#include "mozilla/WeakPtr.h"
+#include "mozilla/dom/PermissionMessageUtils.h"
+
+class nsIPrincipal;
+
+#ifdef MOZ_WIDGET_ANDROID
+#include "AndroidLocationProvider.h"
+#endif
+
+#ifdef MOZ_WIDGET_GONK
+#include "GonkGPSGeolocationProvider.h"
+#endif
+
+#ifdef MOZ_GPSD
+#include "GpsdLocationProvider.h"
+#endif
+
+#ifdef MOZ_WIDGET_COCOA
+#include "CoreLocationLocationProvider.h"
+#endif
+
+#ifdef XP_WIN
+#include "WindowsLocationProvider.h"
+#include "mozilla/WindowsVersion.h"
+#endif
+
+// Some limit to the number of get or watch geolocation requests
+// that a window can make.
+#define MAX_GEO_REQUESTS_PER_WINDOW  1500
+
+using mozilla::Unused;          // <snicker>
+using namespace mozilla;
+using namespace mozilla::dom;
+
+class nsGeolocationRequest final
+ : public nsIContentPermissionRequest
+ , public nsIGeolocationUpdate
+ , public SupportsWeakPtr<nsGeolocationRequest>
+{
+ public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_NSICONTENTPERMISSIONREQUEST
+  NS_DECL_NSIGEOLOCATIONUPDATE
+
+  NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsGeolocationRequest, nsIContentPermissionRequest)
+
+  nsGeolocationRequest(Geolocation* aLocator,
+                       GeoPositionCallback aCallback,
+                       GeoPositionErrorCallback aErrorCallback,
+                       UniquePtr<PositionOptions>&& aOptions,
+                       uint8_t aProtocolType,
+                       bool aWatchPositionRequest = false,
+                       int32_t aWatchId = 0);
+
+  MOZ_DECLARE_WEAKREFERENCE_TYPENAME(nsGeolocationRequest)
+
+  void Shutdown();
+
+  void SendLocation(nsIDOMGeoPosition* aLocation);
+  bool WantsHighAccuracy() {return !mShutdown && mOptions && mOptions->mEnableHighAccuracy;}
+  void SetTimeoutTimer();
+  void StopTimeoutTimer();
+  void NotifyErrorAndShutdown(uint16_t);
+  nsIPrincipal* GetPrincipal();
+
+  bool IsWatch() { return mIsWatchPositionRequest; }
+  int32_t WatchId() { return mWatchId; }
+ private:
+  virtual ~nsGeolocationRequest();
+
+  class TimerCallbackHolder final : public nsITimerCallback
+  {
+  public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSITIMERCALLBACK
+
+    explicit TimerCallbackHolder(nsGeolocationRequest* aRequest)
+      : mRequest(aRequest)
+    {}
+
+  private:
+    ~TimerCallbackHolder() {}
+    WeakPtr<nsGeolocationRequest> mRequest;
+  };
+
+  void Notify();
+
+  bool mIsWatchPositionRequest;
+
+  nsCOMPtr<nsITimer> mTimeoutTimer;
+  GeoPositionCallback mCallback;
+  GeoPositionErrorCallback mErrorCallback;
+  UniquePtr<PositionOptions> mOptions;
+
+  RefPtr<Geolocation> mLocator;
+
+  int32_t mWatchId;
+  bool mShutdown;
+  nsCOMPtr<nsIContentPermissionRequester> mRequester;
+  uint8_t mProtocolType;
+};
+
+static UniquePtr<PositionOptions>
+CreatePositionOptionsCopy(const PositionOptions& aOptions)
+{
+  UniquePtr<PositionOptions> geoOptions = MakeUnique<PositionOptions>();
+
+  geoOptions->mEnableHighAccuracy = aOptions.mEnableHighAccuracy;
+  geoOptions->mMaximumAge = aOptions.mMaximumAge;
+  geoOptions->mTimeout = aOptions.mTimeout;
+
+  return geoOptions;
+}
+
+class RequestPromptEvent : public Runnable
+{
+public:
+  RequestPromptEvent(nsGeolocationRequest* aRequest, nsWeakPtr aWindow)
+    : mRequest(aRequest)
+    , mWindow(aWindow)
+  {
+  }
+
+  NS_IMETHOD Run() override
+  {
+    nsCOMPtr<nsPIDOMWindowInner> window = do_QueryReferent(mWindow);
+    nsContentPermissionUtils::AskPermission(mRequest, window);
+    return NS_OK;
+  }
+
+private:
+  RefPtr<nsGeolocationRequest> mRequest;
+  nsWeakPtr mWindow;
+};
+
+class RequestAllowEvent : public Runnable
+{
+public:
+  RequestAllowEvent(int allow, nsGeolocationRequest* request)
+    : mAllow(allow),
+      mRequest(request)
+  {
+  }
+
+  NS_IMETHOD Run() override {
+    if (mAllow) {
+      mRequest->Allow(JS::UndefinedHandleValue);
+    } else {
+      mRequest->Cancel();
+    }
+    return NS_OK;
+  }
+
+private:
+  bool mAllow;
+  RefPtr<nsGeolocationRequest> mRequest;
+};
+
+class RequestSendLocationEvent : public Runnable
+{
+public:
+  RequestSendLocationEvent(nsIDOMGeoPosition* aPosition,
+                           nsGeolocationRequest* aRequest)
+    : mPosition(aPosition),
+      mRequest(aRequest)
+  {
+  }
+
+  NS_IMETHOD Run() override {
+    mRequest->SendLocation(mPosition);
+    return NS_OK;
+  }
+
+private:
+  nsCOMPtr<nsIDOMGeoPosition> mPosition;
+  RefPtr<nsGeolocationRequest> mRequest;
+  RefPtr<Geolocation> mLocator;
+};
+
+////////////////////////////////////////////////////
+// PositionError
+////////////////////////////////////////////////////
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PositionError)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMGeoPositionError)
+  NS_INTERFACE_MAP_ENTRY(nsIDOMGeoPositionError)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(PositionError, mParent)
+NS_IMPL_CYCLE_COLLECTING_ADDREF(PositionError)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(PositionError)
+
+PositionError::PositionError(Geolocation* aParent, int16_t aCode)
+  : mCode(aCode)
+  , mParent(aParent)
+{
+}
+
+PositionError::~PositionError(){}
+
+
+NS_IMETHODIMP
+PositionError::GetCode(int16_t *aCode)
+{
+  NS_ENSURE_ARG_POINTER(aCode);
+  *aCode = Code();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+PositionError::GetMessage(nsAString& aMessage)
+{
+  switch (mCode)
+  {
+    case nsIDOMGeoPositionError::PERMISSION_DENIED:
+      aMessage = NS_LITERAL_STRING("User denied geolocation prompt");
+      break;
+    case nsIDOMGeoPositionError::POSITION_UNAVAILABLE:
+      aMessage = NS_LITERAL_STRING("Unknown error acquiring position");
+      break;
+    case nsIDOMGeoPositionError::TIMEOUT:
+      aMessage = NS_LITERAL_STRING("Position acquisition timed out");
+      break;
+    default:
+      break;
+  }
+  return NS_OK;
+}
+
+Geolocation*
+PositionError::GetParentObject() const
+{
+  return mParent;
+}
+
+JSObject*
+PositionError::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return PositionErrorBinding::Wrap(aCx, this, aGivenProto);
+}
+
+void
+PositionError::NotifyCallback(const GeoPositionErrorCallback& aCallback)
+{
+  nsAutoMicroTask mt;
+  if (aCallback.HasWebIDLCallback()) {
+    PositionErrorCallback* callback = aCallback.GetWebIDLCallback();
+
+    if (callback) {
+      callback->Call(*this);
+    }
+  } else {
+    nsIDOMGeoPositionErrorCallback* callback = aCallback.GetXPCOMCallback();
+    if (callback) {
+      callback->HandleEvent(this);
+    }
+  }
+}
+////////////////////////////////////////////////////
+// nsGeolocationRequest
+////////////////////////////////////////////////////
+
+nsGeolocationRequest::nsGeolocationRequest(Geolocation* aLocator,
+                                           GeoPositionCallback aCallback,
+                                           GeoPositionErrorCallback aErrorCallback,
+                                           UniquePtr<PositionOptions>&& aOptions,
+                                           uint8_t aProtocolType,
+                                           bool aWatchPositionRequest,
+                                           int32_t aWatchId)
+  : mIsWatchPositionRequest(aWatchPositionRequest),
+    mCallback(Move(aCallback)),
+    mErrorCallback(Move(aErrorCallback)),
+    mOptions(Move(aOptions)),
+    mLocator(aLocator),
+    mWatchId(aWatchId),
+    mShutdown(false),
+    mProtocolType(aProtocolType)
+{
+  if (nsCOMPtr<nsPIDOMWindowInner> win =
+      do_QueryReferent(mLocator->GetOwner())) {
+    mRequester = new nsContentPermissionRequester(win);
+  }
+}
+
+nsGeolocationRequest::~nsGeolocationRequest()
+{
+  StopTimeoutTimer();
+}
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsGeolocationRequest)
+  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIContentPermissionRequest)
+  NS_INTERFACE_MAP_ENTRY(nsIContentPermissionRequest)
+  NS_INTERFACE_MAP_ENTRY(nsIGeolocationUpdate)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(nsGeolocationRequest)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(nsGeolocationRequest)
+NS_IMPL_CYCLE_COLLECTION(nsGeolocationRequest, mCallback, mErrorCallback, mLocator)
+
+void
+nsGeolocationRequest::Notify()
+{
+  SetTimeoutTimer();
+  NotifyErrorAndShutdown(nsIDOMGeoPositionError::TIMEOUT);
+}
+
+void
+nsGeolocationRequest::NotifyErrorAndShutdown(uint16_t aErrorCode)
+{
+  MOZ_ASSERT(!mShutdown, "timeout after shutdown");
+  if (!mIsWatchPositionRequest) {
+    Shutdown();
+    mLocator->RemoveRequest(this);
+  }
+
+  NotifyError(aErrorCode);
+}
+
+NS_IMETHODIMP
+nsGeolocationRequest::GetPrincipal(nsIPrincipal * *aRequestingPrincipal)
+{
+  NS_ENSURE_ARG_POINTER(aRequestingPrincipal);
+
+  nsCOMPtr<nsIPrincipal> principal = mLocator->GetPrincipal();
+  principal.forget(aRequestingPrincipal);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGeolocationRequest::GetTypes(nsIArray** aTypes)
+{
+  nsTArray<nsString> emptyOptions;
+  return nsContentPermissionUtils::CreatePermissionArray(NS_LITERAL_CSTRING("geolocation"),
+                                                         NS_LITERAL_CSTRING("unused"),
+                                                         emptyOptions,
+                                                         aTypes);
+}
+
+NS_IMETHODIMP
+nsGeolocationRequest::GetWindow(mozIDOMWindow** aRequestingWindow)
+{
+  NS_ENSURE_ARG_POINTER(aRequestingWindow);
+
+  nsCOMPtr<nsPIDOMWindowInner> window = do_QueryReferent(mLocator->GetOwner());
+  window.forget(aRequestingWindow);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGeolocationRequest::GetElement(nsIDOMElement * *aRequestingElement)
+{
+  NS_ENSURE_ARG_POINTER(aRequestingElement);
+  *aRequestingElement = nullptr;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGeolocationRequest::Cancel()
+{
+  if (mRequester) {
+    // Record the number of denied requests for regular web content.
+    // This method is only called when the user explicitly denies the request,
+    // and is not called when the page is simply unloaded, or similar.
+    Telemetry::Accumulate(Telemetry::GEOLOCATION_REQUEST_GRANTED, mProtocolType);
+  }
+
+  if (mLocator->ClearPendingRequest(this)) {
+    return NS_OK;
+  }
+
+  NotifyError(nsIDOMGeoPositionError::PERMISSION_DENIED);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGeolocationRequest::Allow(JS::HandleValue aChoices)
+{
+  MOZ_ASSERT(aChoices.isUndefined());
+
+  if (mRequester) {
+    // Record the number of granted requests for regular web content.
+    Telemetry::Accumulate(Telemetry::GEOLOCATION_REQUEST_GRANTED, mProtocolType + 10);
+
+    // Record whether a location callback is fulfilled while the owner window
+    // is not visible.
+    bool isVisible = false;
+    nsCOMPtr<nsPIDOMWindowInner> window = mLocator->GetParentObject();
+
+    if (window) {
+      nsCOMPtr<nsIDocument> doc = window->GetDoc();
+      isVisible = doc && !doc->Hidden();
+    }
+
+    if (IsWatch()) {
+      mozilla::Telemetry::Accumulate(mozilla::Telemetry::GEOLOCATION_WATCHPOSITION_VISIBLE, isVisible);
+    } else {
+      mozilla::Telemetry::Accumulate(mozilla::Telemetry::GEOLOCATION_GETCURRENTPOSITION_VISIBLE, isVisible);
+    }
+  }
+
+  if (mLocator->ClearPendingRequest(this)) {
+    return NS_OK;
+  }
+
+  RefPtr<nsGeolocationService> gs = nsGeolocationService::GetGeolocationService();
+
+  bool canUseCache = false;
+  CachedPositionAndAccuracy lastPosition = gs->GetCachedPosition();
+  if (lastPosition.position) {
+    DOMTimeStamp cachedPositionTime_ms;
+    lastPosition.position->GetTimestamp(&cachedPositionTime_ms);
+    // check to see if we can use a cached value
+    // if the user has specified a maximumAge, return a cached value.
+    if (mOptions && mOptions->mMaximumAge > 0) {
+      uint32_t maximumAge_ms = mOptions->mMaximumAge;
+      bool isCachedWithinRequestedAccuracy = WantsHighAccuracy() <= lastPosition.isHighAccuracy;
+      bool isCachedWithinRequestedTime =
+        DOMTimeStamp(PR_Now() / PR_USEC_PER_MSEC - maximumAge_ms) <= cachedPositionTime_ms;
+      canUseCache = isCachedWithinRequestedAccuracy && isCachedWithinRequestedTime;
+    }
+  }
+
+  gs->UpdateAccuracy(WantsHighAccuracy());
+  if (canUseCache) {
+    // okay, we can return a cached position
+    // getCurrentPosition requests serviced by the cache
+    // will now be owned by the RequestSendLocationEvent
+    Update(lastPosition.position);
+
+    // After Update is called, getCurrentPosition finishes it's job.
+    if (!mIsWatchPositionRequest) {
+      return NS_OK;
+    }
+
+  } else {
+    // if it is not a watch request and timeout is 0,
+    // invoke the errorCallback (if present) with TIMEOUT code
+    if (mOptions && mOptions->mTimeout == 0 && !mIsWatchPositionRequest) {
+      NotifyError(nsIDOMGeoPositionError::TIMEOUT);
+      return NS_OK;
+    }
+
+  }
+
+  // Kick off the geo device, if it isn't already running
+  nsresult rv = gs->StartDevice(GetPrincipal());
+
+  if (NS_FAILED(rv)) {
+    // Location provider error
+    NotifyError(nsIDOMGeoPositionError::POSITION_UNAVAILABLE);
+    return NS_OK;
+  }
+
+  if (mIsWatchPositionRequest || !canUseCache) {
+    // let the locator know we're pending
+    // we will now be owned by the locator
+    mLocator->NotifyAllowedRequest(this);
+  }
+
+  SetTimeoutTimer();
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGeolocationRequest::GetRequester(nsIContentPermissionRequester** aRequester)
+{
+  NS_ENSURE_ARG_POINTER(aRequester);
+
+  nsCOMPtr<nsIContentPermissionRequester> requester = mRequester;
+  requester.forget(aRequester);
+
+  return NS_OK;
+}
+
+void
+nsGeolocationRequest::SetTimeoutTimer()
+{
+  MOZ_ASSERT(!mShutdown, "set timeout after shutdown");
+
+  StopTimeoutTimer();
+
+  if (mOptions && mOptions->mTimeout != 0 && mOptions->mTimeout != 0x7fffffff) {
+    mTimeoutTimer = do_CreateInstance("@mozilla.org/timer;1");
+    RefPtr<TimerCallbackHolder> holder = new TimerCallbackHolder(this);
+    mTimeoutTimer->InitWithCallback(holder, mOptions->mTimeout, nsITimer::TYPE_ONE_SHOT);
+  }
+}
+
+void
+nsGeolocationRequest::StopTimeoutTimer()
+{
+  if (mTimeoutTimer) {
+    mTimeoutTimer->Cancel();
+    mTimeoutTimer = nullptr;
+  }
+}
+
+void
+nsGeolocationRequest::SendLocation(nsIDOMGeoPosition* aPosition)
+{
+  if (mShutdown) {
+    // Ignore SendLocationEvents issued before we were cleared.
+    return;
+  }
+
+  if (mOptions && mOptions->mMaximumAge > 0) {
+    DOMTimeStamp positionTime_ms;
+    aPosition->GetTimestamp(&positionTime_ms);
+    const uint32_t maximumAge_ms = mOptions->mMaximumAge;
+    const bool isTooOld =
+        DOMTimeStamp(PR_Now() / PR_USEC_PER_MSEC - maximumAge_ms) > positionTime_ms;
+    if (isTooOld) {
+      return;
+    }
+  }
+
+  RefPtr<Position> wrapped;
+
+  if (aPosition) {
+    nsCOMPtr<nsIDOMGeoPositionCoords> coords;
+    aPosition->GetCoords(getter_AddRefs(coords));
+    if (coords) {
+      wrapped = new Position(ToSupports(mLocator), aPosition);
+    }
+  }
+
+  if (!wrapped) {
+    NotifyError(nsIDOMGeoPositionError::POSITION_UNAVAILABLE);
+    return;
+  }
+
+  if (!mIsWatchPositionRequest) {
+    // Cancel timer and position updates in case the position
+    // callback spins the event loop
+    Shutdown();
+  }
+
+  nsAutoMicroTask mt;
+  if (mCallback.HasWebIDLCallback()) {
+    PositionCallback* callback = mCallback.GetWebIDLCallback();
+
+    MOZ_ASSERT(callback);
+    callback->Call(*wrapped);
+  } else {
+    nsIDOMGeoPositionCallback* callback = mCallback.GetXPCOMCallback();
+    MOZ_ASSERT(callback);
+    callback->HandleEvent(aPosition);
+  }
+
+  if (mIsWatchPositionRequest && !mShutdown) {
+    SetTimeoutTimer();
+  }
+  MOZ_ASSERT(mShutdown || mIsWatchPositionRequest,
+             "non-shutdown getCurrentPosition request after callback!");
+}
+
+nsIPrincipal*
+nsGeolocationRequest::GetPrincipal()
+{
+  if (!mLocator) {
+    return nullptr;
+  }
+  return mLocator->GetPrincipal();
+}
+
+NS_IMETHODIMP
+nsGeolocationRequest::Update(nsIDOMGeoPosition* aPosition)
+{
+  nsCOMPtr<nsIRunnable> ev = new RequestSendLocationEvent(aPosition, this);
+  NS_DispatchToMainThread(ev);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGeolocationRequest::NotifyError(uint16_t aErrorCode)
+{
+  MOZ_ASSERT(NS_IsMainThread());
+  RefPtr<PositionError> positionError = new PositionError(mLocator, aErrorCode);
+  positionError->NotifyCallback(mErrorCallback);
+  return NS_OK;
+}
+
+void
+nsGeolocationRequest::Shutdown()
+{
+  MOZ_ASSERT(!mShutdown, "request shutdown twice");
+  mShutdown = true;
+
+  StopTimeoutTimer();
+
+  // If there are no other high accuracy requests, the geolocation service will
+  // notify the provider to switch to the default accuracy.
+  if (mOptions && mOptions->mEnableHighAccuracy) {
+    RefPtr<nsGeolocationService> gs = nsGeolocationService::GetGeolocationService();
+    if (gs) {
+      gs->UpdateAccuracy();
+    }
+  }
+}
+
+
+////////////////////////////////////////////////////
+// nsGeolocationRequest::TimerCallbackHolder
+////////////////////////////////////////////////////
+
+NS_IMPL_ISUPPORTS(nsGeolocationRequest::TimerCallbackHolder, nsISupports, nsITimerCallback)
+
+NS_IMETHODIMP
+nsGeolocationRequest::TimerCallbackHolder::Notify(nsITimer*)
+{
+  if (mRequest && mRequest->mLocator) {
+    RefPtr<nsGeolocationRequest> request(mRequest);
+    request->Notify();
+  }
+
+  return NS_OK;
+}
+
+
+////////////////////////////////////////////////////
+// nsGeolocationService
+////////////////////////////////////////////////////
+NS_INTERFACE_MAP_BEGIN(nsGeolocationService)
+  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIGeolocationUpdate)
+  NS_INTERFACE_MAP_ENTRY(nsIGeolocationUpdate)
+  NS_INTERFACE_MAP_ENTRY(nsIObserver)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_ADDREF(nsGeolocationService)
+NS_IMPL_RELEASE(nsGeolocationService)
+
+
+static bool sGeoEnabled = true;
+static int32_t sProviderTimeout = 6000; // Time, in milliseconds, to wait for the location provider to spin up.
+
+nsresult nsGeolocationService::Init()
+{
+  Preferences::AddIntVarCache(&sProviderTimeout, "geo.timeout", sProviderTimeout);
+  Preferences::AddBoolVarCache(&sGeoEnabled, "geo.enabled", sGeoEnabled);
+
+  if (!sGeoEnabled) {
+    return NS_ERROR_FAILURE;
+  }
+
+  if (XRE_IsContentProcess()) {
+    return NS_OK;
+  }
+
+  // geolocation service can be enabled -> now register observer
+  nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
+  if (!obs) {
+    return NS_ERROR_FAILURE;
+  }
+
+  obs->AddObserver(this, "xpcom-shutdown", false);
+
+#ifdef MOZ_WIDGET_ANDROID
+  mProvider = new AndroidLocationProvider();
+#endif
+
+#ifdef MOZ_WIDGET_GONK
+  // GonkGPSGeolocationProvider can be started at boot up time for initialization reasons.
+  // do_getService gets hold of the already initialized component and starts
+  // processing location requests immediately.
+  // do_Createinstance will create multiple instances of the provider which is not right.
+  // bug 993041
+  mProvider = do_GetService(GONK_GPS_GEOLOCATION_PROVIDER_CONTRACTID);
+#endif
+
+#ifdef MOZ_WIDGET_GTK
+#ifdef MOZ_GPSD
+  if (Preferences::GetBool("geo.provider.use_gpsd", false)) {
+    mProvider = new GpsdLocationProvider();
+  }
+#endif
+#endif
+
+#ifdef MOZ_WIDGET_COCOA
+  if (Preferences::GetBool("geo.provider.use_corelocation", true)) {
+    mProvider = new CoreLocationLocationProvider();
+  }
+#endif
+
+#ifdef XP_WIN
+  if (Preferences::GetBool("geo.provider.ms-windows-location", false) &&
+      IsWin8OrLater()) {
+    mProvider = new WindowsLocationProvider();
+  }
+#endif
+
+  if (Preferences::GetBool("geo.provider.use_mls", false)) {
+    mProvider = do_CreateInstance("@mozilla.org/geolocation/mls-provider;1");
+  }
+
+  // Override platform-specific providers with the default (network)
+  // provider while testing. Our tests are currently not meant to exercise
+  // the provider, and some tests rely on the network provider being used.
+  // "geo.provider.testing" is always set for all plain and browser chrome
+  // mochitests, and also for xpcshell tests.
+  if (!mProvider || Preferences::GetBool("geo.provider.testing", false)) {
+    nsCOMPtr<nsIGeolocationProvider> override =
+      do_GetService(NS_GEOLOCATION_PROVIDER_CONTRACTID);
+
+    if (override) {
+      mProvider = override;
+    }
+  }
+
+  return NS_OK;
+}
+
+nsGeolocationService::~nsGeolocationService()
+{
+}
+
+NS_IMETHODIMP
+nsGeolocationService::Observe(nsISupports* aSubject,
+                              const char* aTopic,
+                              const char16_t* aData)
+{
+  if (!strcmp("xpcom-shutdown", aTopic)) {
+    nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
+    if (obs) {
+      obs->RemoveObserver(this, "xpcom-shutdown");
+    }
+
+    for (uint32_t i = 0; i< mGeolocators.Length(); i++) {
+      mGeolocators[i]->Shutdown();
+    }
+    StopDevice();
+
+    return NS_OK;
+  }
+
+  if (!strcmp("timer-callback", aTopic)) {
+    // decide if we can close down the service.
+    for (uint32_t i = 0; i< mGeolocators.Length(); i++)
+      if (mGeolocators[i]->HasActiveCallbacks()) {
+        SetDisconnectTimer();
+        return NS_OK;
+      }
+
+    // okay to close up.
+    StopDevice();
+    Update(nullptr);
+    return NS_OK;
+  }
+
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+nsGeolocationService::Update(nsIDOMGeoPosition *aSomewhere)
+{
+  if (aSomewhere) {
+    SetCachedPosition(aSomewhere);
+  }
+
+  for (uint32_t i = 0; i< mGeolocators.Length(); i++) {
+    mGeolocators[i]->Update(aSomewhere);
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGeolocationService::NotifyError(uint16_t aErrorCode)
+{
+  for (uint32_t i = 0; i < mGeolocators.Length(); i++) {
+    mGeolocators[i]->NotifyError(aErrorCode);
+  }
+  return NS_OK;
+}
+
+void
+nsGeolocationService::SetCachedPosition(nsIDOMGeoPosition* aPosition)
+{
+  mLastPosition.position = aPosition;
+  mLastPosition.isHighAccuracy = mHigherAccuracy;
+}
+
+CachedPositionAndAccuracy
+nsGeolocationService::GetCachedPosition()
+{
+  return mLastPosition;
+}
+
+nsresult
+nsGeolocationService::StartDevice(nsIPrincipal *aPrincipal)
+{
+  if (!sGeoEnabled) {
+    return NS_ERROR_NOT_AVAILABLE;
+  }
+
+  // We do not want to keep the geolocation devices online
+  // indefinitely.
+  // Close them down after a reasonable period of inactivivity.
+  SetDisconnectTimer();
+
+  if (XRE_IsContentProcess()) {
+    ContentChild* cpc = ContentChild::GetSingleton();
+    cpc->SendAddGeolocationListener(IPC::Principal(aPrincipal),
+                                    HighAccuracyRequested());
+    return NS_OK;
+  }
+
+  // Start them up!
+  nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
+  if (!obs) {
+    return NS_ERROR_FAILURE;
+  }
+
+  if (!mProvider) {
+    return NS_ERROR_FAILURE;
+  }
+
+  nsresult rv;
+
+  if (NS_FAILED(rv = mProvider->Startup()) ||
+      NS_FAILED(rv = mProvider->Watch(this))) {
+
+    NotifyError(nsIDOMGeoPositionError::POSITION_UNAVAILABLE);
+    return rv;
+  }
+
+  obs->NotifyObservers(mProvider,
+                       "geolocation-device-events",
+                       u"starting");
+
+  return NS_OK;
+}
+
+void
+nsGeolocationService::SetDisconnectTimer()
+{
+  if (!mDisconnectTimer) {
+    mDisconnectTimer = do_CreateInstance("@mozilla.org/timer;1");
+  } else {
+    mDisconnectTimer->Cancel();
+  }
+
+  mDisconnectTimer->Init(this,
+                         sProviderTimeout,
+                         nsITimer::TYPE_ONE_SHOT);
+}
+
+bool
+nsGeolocationService::HighAccuracyRequested()
+{
+  for (uint32_t i = 0; i < mGeolocators.Length(); i++) {
+    if (mGeolocators[i]->HighAccuracyRequested()) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+void
+nsGeolocationService::UpdateAccuracy(bool aForceHigh)
+{
+  bool highRequired = aForceHigh || HighAccuracyRequested();
+
+  if (XRE_IsContentProcess()) {
+    ContentChild* cpc = ContentChild::GetSingleton();
+    if (cpc->IsAlive()) {
+      cpc->SendSetGeolocationHigherAccuracy(highRequired);
+    }
+
+    return;
+  }
+
+  mProvider->SetHighAccuracy(!mHigherAccuracy && highRequired);
+  mHigherAccuracy = highRequired;
+}
+
+void
+nsGeolocationService::StopDevice()
+{
+  if (mDisconnectTimer) {
+    mDisconnectTimer->Cancel();
+    mDisconnectTimer = nullptr;
+  }
+
+  if (XRE_IsContentProcess()) {
+    ContentChild* cpc = ContentChild::GetSingleton();
+    cpc->SendRemoveGeolocationListener();
+
+    return; // bail early
+  }
+
+  nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
+  if (!obs) {
+    return;
+  }
+
+  if (!mProvider) {
+    return;
+  }
+
+  mHigherAccuracy = false;
+
+  mProvider->Shutdown();
+  obs->NotifyObservers(mProvider,
+                       "geolocation-device-events",
+                       u"shutdown");
+}
+
+StaticRefPtr<nsGeolocationService> nsGeolocationService::sService;
+
+already_AddRefed<nsGeolocationService>
+nsGeolocationService::GetGeolocationService()
+{
+  RefPtr<nsGeolocationService> result;
+  if (nsGeolocationService::sService) {
+    result = nsGeolocationService::sService;
+
+    return result.forget();
+  }
+
+  result = new nsGeolocationService();
+  if (NS_FAILED(result->Init())) {
+    return nullptr;
+  }
+
+  ClearOnShutdown(&nsGeolocationService::sService);
+  nsGeolocationService::sService = result;
+  return result.forget();
+}
+
+void
+nsGeolocationService::AddLocator(Geolocation* aLocator)
+{
+  mGeolocators.AppendElement(aLocator);
+}
+
+void
+nsGeolocationService::RemoveLocator(Geolocation* aLocator)
+{
+  mGeolocators.RemoveElement(aLocator);
+}
+
+////////////////////////////////////////////////////
+// Geolocation
+////////////////////////////////////////////////////
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Geolocation)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMGeoGeolocation)
+  NS_INTERFACE_MAP_ENTRY(nsIDOMGeoGeolocation)
+  NS_INTERFACE_MAP_ENTRY(nsIGeolocationUpdate)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(Geolocation)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(Geolocation)
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(Geolocation,
+                                      mPendingCallbacks,
+                                      mWatchingCallbacks,
+                                      mPendingRequests)
+
+Geolocation::Geolocation()
+: mProtocolType(ProtocolType::OTHER)
+, mLastWatchId(0)
+{
+}
+
+Geolocation::~Geolocation()
+{
+  if (mService) {
+    Shutdown();
+  }
+}
+
+nsresult
+Geolocation::Init(nsPIDOMWindowInner* aContentDom)
+{
+  // Remember the window
+  if (aContentDom) {
+    mOwner = do_GetWeakReference(aContentDom);
+    if (!mOwner) {
+      return NS_ERROR_FAILURE;
+    }
+
+    // Grab the principal of the document
+    nsCOMPtr<nsIDocument> doc = aContentDom->GetDoc();
+    if (!doc) {
+      return NS_ERROR_FAILURE;
+    }
+
+    mPrincipal = doc->NodePrincipal();
+
+    nsCOMPtr<nsIURI> uri;
+    nsresult rv = mPrincipal->GetURI(getter_AddRefs(uri));
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    if (uri) {
+      bool isHttp;
+      rv = uri->SchemeIs("http", &isHttp);
+      NS_ENSURE_SUCCESS(rv, rv);
+
+      bool isHttps;
+      rv = uri->SchemeIs("https", &isHttps);
+      NS_ENSURE_SUCCESS(rv, rv);
+
+      // Store the protocol to send via telemetry later.
+      if (isHttp) {
+        mProtocolType = ProtocolType::HTTP;
+      } else if (isHttps) {
+        mProtocolType = ProtocolType::HTTPS;
+      }
+    }
+  }
+
+  // If no aContentDom was passed into us, we are being used
+  // by chrome/c++ and have no mOwner, no mPrincipal, and no need
+  // to prompt.
+  mService = nsGeolocationService::GetGeolocationService();
+  if (mService) {
+    mService->AddLocator(this);
+  }
+
+  return NS_OK;
+}
+
+void
+Geolocation::Shutdown()
+{
+  // Release all callbacks
+  mPendingCallbacks.Clear();
+  mWatchingCallbacks.Clear();
+
+  if (mService) {
+    mService->RemoveLocator(this);
+    mService->UpdateAccuracy();
+  }
+
+  mService = nullptr;
+  mPrincipal = nullptr;
+}
+
+nsPIDOMWindowInner*
+Geolocation::GetParentObject() const {
+  nsCOMPtr<nsPIDOMWindowInner> window = do_QueryReferent(mOwner);
+  return window.get();
+}
+
+bool
+Geolocation::HasActiveCallbacks()
+{
+  return mPendingCallbacks.Length() || mWatchingCallbacks.Length();
+}
+
+bool
+Geolocation::HighAccuracyRequested()
+{
+  for (uint32_t i = 0; i < mWatchingCallbacks.Length(); i++) {
+    if (mWatchingCallbacks[i]->WantsHighAccuracy()) {
+      return true;
+    }
+  }
+
+  for (uint32_t i = 0; i < mPendingCallbacks.Length(); i++) {
+    if (mPendingCallbacks[i]->WantsHighAccuracy()) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+void
+Geolocation::RemoveRequest(nsGeolocationRequest* aRequest)
+{
+  bool requestWasKnown =
+    (mPendingCallbacks.RemoveElement(aRequest) !=
+     mWatchingCallbacks.RemoveElement(aRequest));
+
+  Unused << requestWasKnown;
+}
+
+NS_IMETHODIMP
+Geolocation::Update(nsIDOMGeoPosition *aSomewhere)
+{
+  if (!WindowOwnerStillExists()) {
+    Shutdown();
+    return NS_OK;
+  }
+
+  if (aSomewhere) {
+    nsCOMPtr<nsIDOMGeoPositionCoords> coords;
+    aSomewhere->GetCoords(getter_AddRefs(coords));
+    if (coords) {
+      double accuracy = -1;
+      coords->GetAccuracy(&accuracy);
+      mozilla::Telemetry::Accumulate(mozilla::Telemetry::GEOLOCATION_ACCURACY_EXPONENTIAL, accuracy);
+    }
+  }
+
+  for (uint32_t i = mPendingCallbacks.Length(); i > 0; i--) {
+    mPendingCallbacks[i-1]->Update(aSomewhere);
+    RemoveRequest(mPendingCallbacks[i-1]);
+  }
+
+  // notify everyone that is watching
+  for (uint32_t i = 0; i < mWatchingCallbacks.Length(); i++) {
+    mWatchingCallbacks[i]->Update(aSomewhere);
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+Geolocation::NotifyError(uint16_t aErrorCode)
+{
+  if (!WindowOwnerStillExists()) {
+    Shutdown();
+    return NS_OK;
+  }
+
+  mozilla::Telemetry::Accumulate(mozilla::Telemetry::GEOLOCATION_ERROR, true);
+
+  for (uint32_t i = mPendingCallbacks.Length(); i > 0; i--) {
+    mPendingCallbacks[i-1]->NotifyErrorAndShutdown(aErrorCode);
+    //NotifyErrorAndShutdown() removes the request from the array
+  }
+
+  // notify everyone that is watching
+  for (uint32_t i = 0; i < mWatchingCallbacks.Length(); i++) {
+    mWatchingCallbacks[i]->NotifyErrorAndShutdown(aErrorCode);
+  }
+
+  return NS_OK;
+}
+
+bool
+Geolocation::IsAlreadyCleared(nsGeolocationRequest* aRequest)
+{
+  for (uint32_t i = 0, length = mClearedWatchIDs.Length(); i < length; ++i) {
+    if (mClearedWatchIDs[i] == aRequest->WatchId()) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+bool
+Geolocation::ClearPendingRequest(nsGeolocationRequest* aRequest)
+{
+  if (aRequest->IsWatch() && this->IsAlreadyCleared(aRequest)) {
+    this->NotifyAllowedRequest(aRequest);
+    this->ClearWatch(aRequest->WatchId());
+    return true;
+  }
+
+  return false;
+}
+
+void
+Geolocation::GetCurrentPosition(PositionCallback& aCallback,
+                                PositionErrorCallback* aErrorCallback,
+                                const PositionOptions& aOptions,
+                                ErrorResult& aRv)
+{
+  nsresult rv = GetCurrentPosition(GeoPositionCallback(&aCallback),
+                                   GeoPositionErrorCallback(aErrorCallback),
+                                   Move(CreatePositionOptionsCopy(aOptions)));
+
+  if (NS_FAILED(rv)) {
+    aRv.Throw(rv);
+  }
+
+  return;
+}
+
+NS_IMETHODIMP
+Geolocation::GetCurrentPosition(nsIDOMGeoPositionCallback* aCallback,
+                                nsIDOMGeoPositionErrorCallback* aErrorCallback,
+                                UniquePtr<PositionOptions>&& aOptions)
+{
+  NS_ENSURE_ARG_POINTER(aCallback);
+
+  return GetCurrentPosition(GeoPositionCallback(aCallback),
+                            GeoPositionErrorCallback(aErrorCallback),
+                            Move(aOptions));
+}
+
+nsresult
+Geolocation::GetCurrentPosition(GeoPositionCallback callback,
+                                GeoPositionErrorCallback errorCallback,
+                                UniquePtr<PositionOptions>&& options)
+{
+  if (mPendingCallbacks.Length() > MAX_GEO_REQUESTS_PER_WINDOW) {
+    return NS_ERROR_NOT_AVAILABLE;
+  }
+
+  // After this we hand over ownership of options to our nsGeolocationRequest.
+
+  // Count the number of requests per protocol/scheme.
+  Telemetry::Accumulate(Telemetry::GEOLOCATION_GETCURRENTPOSITION_SECURE_ORIGIN,
+                        static_cast<uint8_t>(mProtocolType));
+
+  RefPtr<nsGeolocationRequest> request =
+    new nsGeolocationRequest(this, Move(callback), Move(errorCallback),
+                             Move(options), static_cast<uint8_t>(mProtocolType),
+                             false);
+
+  if (!sGeoEnabled) {
+    nsCOMPtr<nsIRunnable> ev = new RequestAllowEvent(false, request);
+    NS_DispatchToMainThread(ev);
+    return NS_OK;
+  }
+
+  if (!mOwner && !nsContentUtils::LegacyIsCallerChromeOrNativeCode()) {
+    return NS_ERROR_FAILURE;
+  }
+
+  if (mOwner) {
+    if (!RegisterRequestWithPrompt(request)) {
+      return NS_ERROR_NOT_AVAILABLE;
+    }
+
+    return NS_OK;
+  }
+
+  if (!nsContentUtils::LegacyIsCallerChromeOrNativeCode()) {
+    return NS_ERROR_FAILURE;
+  }
+
+  nsCOMPtr<nsIRunnable> ev = new RequestAllowEvent(true, request);
+  NS_DispatchToMainThread(ev);
+
+  return NS_OK;
+}
+
+int32_t
+Geolocation::WatchPosition(PositionCallback& aCallback,
+                           PositionErrorCallback* aErrorCallback,
+                           const PositionOptions& aOptions,
+                           ErrorResult& aRv)
+{
+  int32_t ret = 0;
+  nsresult rv = WatchPosition(GeoPositionCallback(&aCallback),
+                              GeoPositionErrorCallback(aErrorCallback),
+                              Move(CreatePositionOptionsCopy(aOptions)), &ret);
+
+  if (NS_FAILED(rv)) {
+    aRv.Throw(rv);
+  }
+
+  return ret;
+}
+
+NS_IMETHODIMP
+Geolocation::WatchPosition(nsIDOMGeoPositionCallback *aCallback,
+                           nsIDOMGeoPositionErrorCallback *aErrorCallback,
+                           UniquePtr<PositionOptions>&& aOptions,
+                           int32_t* aRv)
+{
+  NS_ENSURE_ARG_POINTER(aCallback);
+
+  return WatchPosition(GeoPositionCallback(aCallback),
+                       GeoPositionErrorCallback(aErrorCallback),
+                       Move(aOptions), aRv);
+}
+
+nsresult
+Geolocation::WatchPosition(GeoPositionCallback aCallback,
+                           GeoPositionErrorCallback aErrorCallback,
+                           UniquePtr<PositionOptions>&& aOptions,
+                           int32_t* aRv)
+{
+  if (mWatchingCallbacks.Length() > MAX_GEO_REQUESTS_PER_WINDOW) {
+    return NS_ERROR_NOT_AVAILABLE;
+  }
+
+  // Count the number of requests per protocol/scheme.
+  Telemetry::Accumulate(Telemetry::GEOLOCATION_WATCHPOSITION_SECURE_ORIGIN,
+                        static_cast<uint8_t>(mProtocolType));
+
+  // The watch ID:
+  *aRv = mLastWatchId++;
+
+  RefPtr<nsGeolocationRequest> request =
+    new nsGeolocationRequest(this, Move(aCallback), Move(aErrorCallback),
+                             Move(aOptions),
+                             static_cast<uint8_t>(mProtocolType), true, *aRv);
+
+  if (!sGeoEnabled) {
+    nsCOMPtr<nsIRunnable> ev = new RequestAllowEvent(false, request);
+    NS_DispatchToMainThread(ev);
+    return NS_OK;
+  }
+
+  if (!mOwner && !nsContentUtils::LegacyIsCallerChromeOrNativeCode()) {
+    return NS_ERROR_FAILURE;
+  }
+
+  if (mOwner) {
+    if (!RegisterRequestWithPrompt(request))
+      return NS_ERROR_NOT_AVAILABLE;
+
+    return NS_OK;
+  }
+
+  if (!nsContentUtils::LegacyIsCallerChromeOrNativeCode()) {
+    return NS_ERROR_FAILURE;
+  }
+
+  request->Allow(JS::UndefinedHandleValue);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+Geolocation::ClearWatch(int32_t aWatchId)
+{
+  if (aWatchId < 0) {
+    return NS_OK;
+  }
+
+  if (!mClearedWatchIDs.Contains(aWatchId)) {
+    mClearedWatchIDs.AppendElement(aWatchId);
+  }
+
+  for (uint32_t i = 0, length = mWatchingCallbacks.Length(); i < length; ++i) {
+    if (mWatchingCallbacks[i]->WatchId() == aWatchId) {
+      mWatchingCallbacks[i]->Shutdown();
+      RemoveRequest(mWatchingCallbacks[i]);
+      mClearedWatchIDs.RemoveElement(aWatchId);
+      break;
+    }
+  }
+
+  // make sure we also search through the pending requests lists for
+  // watches to clear...
+  for (uint32_t i = 0, length = mPendingRequests.Length(); i < length; ++i) {
+    if (mPendingRequests[i]->IsWatch() &&
+        (mPendingRequests[i]->WatchId() == aWatchId)) {
+      mPendingRequests[i]->Shutdown();
+      mPendingRequests.RemoveElementAt(i);
+      break;
+    }
+  }
+
+  return NS_OK;
+}
+
+bool
+Geolocation::WindowOwnerStillExists()
+{
+  // an owner was never set when Geolocation
+  // was created, which means that this object
+  // is being used without a window.
+  if (mOwner == nullptr) {
+    return true;
+  }
+
+  nsCOMPtr<nsPIDOMWindowInner> window = do_QueryReferent(mOwner);
+
+  if (window) {
+    nsPIDOMWindowOuter* outer = window->GetOuterWindow();
+    if (!outer || outer->GetCurrentInnerWindow() != window ||
+        outer->Closed()) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+void
+Geolocation::NotifyAllowedRequest(nsGeolocationRequest* aRequest)
+{
+  if (aRequest->IsWatch()) {
+    mWatchingCallbacks.AppendElement(aRequest);
+  } else {
+    mPendingCallbacks.AppendElement(aRequest);
+  }
+}
+
+bool
+Geolocation::RegisterRequestWithPrompt(nsGeolocationRequest* request)
+{
+  if (Preferences::GetBool("geo.prompt.testing", false)) {
+    bool allow = Preferences::GetBool("geo.prompt.testing.allow", false);
+    nsCOMPtr<nsIRunnable> ev = new RequestAllowEvent(allow, request);
+    NS_DispatchToMainThread(ev);
+    return true;
+  }
+
+  nsCOMPtr<nsIRunnable> ev  = new RequestPromptEvent(request, mOwner);
+  NS_DispatchToMainThread(ev);
+  return true;
+}
+
+JSObject*
+Geolocation::WrapObject(JSContext *aCtx, JS::Handle<JSObject*> aGivenProto)
+{
+  return GeolocationBinding::Wrap(aCtx, this, aGivenProto);
+}
diff --git a/dom/geolocation/nsGeolocation.h b/dom/geolocation/nsGeolocation.h
new file mode 100644
index 000000000..0bc527e34
--- /dev/null
+++ b/dom/geolocation/nsGeolocation.h
@@ -0,0 +1,260 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsGeoLocation_h
+#define nsGeoLocation_h
+
+// Microsoft's API Name hackery sucks
+#undef CreateEvent
+
+#include "mozilla/StaticPtr.h"
+#include "nsCOMPtr.h"
+#include "nsTArray.h"
+#include "nsITimer.h"
+#include "nsIObserver.h"
+#include "nsWrapperCache.h"
+
+#include "nsWeakPtr.h"
+#include "nsCycleCollectionParticipant.h"
+
+#include "nsGeoPosition.h"
+#include "nsIDOMGeoGeolocation.h"
+#include "nsIDOMGeoPosition.h"
+#include "nsIDOMGeoPositionError.h"
+#include "nsIDOMGeoPositionCallback.h"
+#include "nsIDOMGeoPositionErrorCallback.h"
+#include "mozilla/dom/GeolocationBinding.h"
+#include "mozilla/dom/PositionErrorBinding.h"
+#include "mozilla/dom/CallbackObject.h"
+
+#include "nsIGeolocationProvider.h"
+#include "nsIContentPermissionPrompt.h"
+#include "mozilla/Attributes.h"
+
+class nsGeolocationService;
+class nsGeolocationRequest;
+
+namespace mozilla {
+namespace dom {
+class Geolocation;
+typedef CallbackObjectHolder<PositionCallback, nsIDOMGeoPositionCallback> GeoPositionCallback;
+typedef CallbackObjectHolder<PositionErrorCallback, nsIDOMGeoPositionErrorCallback> GeoPositionErrorCallback;
+} // namespace dom
+} // namespace mozilla
+
+struct CachedPositionAndAccuracy {
+  nsCOMPtr<nsIDOMGeoPosition> position;
+  bool isHighAccuracy;
+};
+
+/**
+ * Singleton that manages the geolocation provider
+ */
+class nsGeolocationService final : public nsIGeolocationUpdate,
+                                   public nsIObserver
+{
+public:
+
+  static already_AddRefed<nsGeolocationService> GetGeolocationService();
+  static mozilla::StaticRefPtr<nsGeolocationService> sService;
+
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSIGEOLOCATIONUPDATE
+  NS_DECL_NSIOBSERVER
+
+  nsGeolocationService() {
+      mHigherAccuracy = false;
+  }
+
+  nsresult Init();
+
+  // Management of the Geolocation objects
+  void AddLocator(mozilla::dom::Geolocation* locator);
+  void RemoveLocator(mozilla::dom::Geolocation* locator);
+
+  void SetCachedPosition(nsIDOMGeoPosition* aPosition);
+  CachedPositionAndAccuracy GetCachedPosition();
+
+  // Find and startup a geolocation device (gps, nmea, etc.)
+  nsresult StartDevice(nsIPrincipal* aPrincipal);
+
+  // Stop the started geolocation device (gps, nmea, etc.)
+  void     StopDevice();
+
+  // create, or reinitalize the callback timer
+  void     SetDisconnectTimer();
+
+  // Update the accuracy and notify the provider if changed
+  void     UpdateAccuracy(bool aForceHigh = false);
+  bool     HighAccuracyRequested();
+
+private:
+
+  ~nsGeolocationService();
+
+  // Disconnect timer.  When this timer expires, it clears all pending callbacks
+  // and closes down the provider, unless we are watching a point, and in that
+  // case, we disable the disconnect timer.
+  nsCOMPtr<nsITimer> mDisconnectTimer;
+
+  // The object providing geo location information to us.
+  nsCOMPtr<nsIGeolocationProvider> mProvider;
+
+  // mGeolocators are not owned here.  Their constructor
+  // adds them to this list, and their destructor removes
+  // them from this list.
+  nsTArray<mozilla::dom::Geolocation*> mGeolocators;
+
+  // This is the last geo position that we have seen.
+  CachedPositionAndAccuracy mLastPosition;
+
+  // Current state of requests for higher accuracy
+  bool mHigherAccuracy;
+};
+
+namespace mozilla {
+namespace dom {
+
+/**
+ * Can return a geolocation info
+ */
+class Geolocation final : public nsIDOMGeoGeolocation,
+                          public nsIGeolocationUpdate,
+                          public nsWrapperCache
+{
+public:
+
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(Geolocation, nsIDOMGeoGeolocation)
+
+  NS_DECL_NSIGEOLOCATIONUPDATE
+  NS_DECL_NSIDOMGEOGEOLOCATION
+
+  Geolocation();
+
+  nsresult Init(nsPIDOMWindowInner* aContentDom = nullptr);
+
+  nsPIDOMWindowInner* GetParentObject() const;
+  virtual JSObject* WrapObject(JSContext *aCtx, JS::Handle<JSObject*> aGivenProto) override;
+
+  int32_t WatchPosition(PositionCallback& aCallback, PositionErrorCallback* aErrorCallback, const PositionOptions& aOptions, ErrorResult& aRv);
+  void GetCurrentPosition(PositionCallback& aCallback, PositionErrorCallback* aErrorCallback, const PositionOptions& aOptions, ErrorResult& aRv);
+
+  // Returns true if any of the callbacks are repeating
+  bool HasActiveCallbacks();
+
+  // Register an allowed request
+  void NotifyAllowedRequest(nsGeolocationRequest* aRequest);
+
+  // Remove request from all callbacks arrays
+  void RemoveRequest(nsGeolocationRequest* request);
+
+  // Check if there is already ClearWatch called for current
+  // request & clear if yes
+  bool ClearPendingRequest(nsGeolocationRequest* aRequest);
+
+  // Shutting down.
+  void Shutdown();
+
+  // Getter for the principal that this Geolocation was loaded from
+  nsIPrincipal* GetPrincipal() { return mPrincipal; }
+
+  // Getter for the window that this Geolocation is owned by
+  nsIWeakReference* GetOwner() { return mOwner; }
+
+  // Check to see if the window still exists
+  bool WindowOwnerStillExists();
+
+  // Check to see if any active request requires high accuracy
+  bool HighAccuracyRequested();
+
+private:
+
+  ~Geolocation();
+
+  nsresult GetCurrentPosition(GeoPositionCallback aCallback,
+                              GeoPositionErrorCallback aErrorCallback,
+                              UniquePtr<PositionOptions>&& aOptions);
+  nsresult WatchPosition(GeoPositionCallback aCallback,
+                         GeoPositionErrorCallback aErrorCallback,
+                         UniquePtr<PositionOptions>&& aOptions, int32_t* aRv);
+
+  bool RegisterRequestWithPrompt(nsGeolocationRequest* request);
+
+  // Check if clearWatch is already called
+  bool IsAlreadyCleared(nsGeolocationRequest* aRequest);
+
+  // Two callback arrays.  The first |mPendingCallbacks| holds objects for only
+  // one callback and then they are released/removed from the array.  The second
+  // |mWatchingCallbacks| holds objects until the object is explictly removed or
+  // there is a page change. All requests held by either array are active, that
+  // is, they have been allowed and expect to be fulfilled.
+
+  nsTArray<RefPtr<nsGeolocationRequest> > mPendingCallbacks;
+  nsTArray<RefPtr<nsGeolocationRequest> > mWatchingCallbacks;
+
+  // window that this was created for.  Weak reference.
+  nsWeakPtr mOwner;
+
+  // where the content was loaded from
+  nsCOMPtr<nsIPrincipal> mPrincipal;
+
+  // the protocols we want to measure
+  enum class ProtocolType: uint8_t { OTHER, HTTP, HTTPS };
+
+  // the protocol used to load the content
+  ProtocolType mProtocolType;
+
+  // owning back pointer.
+  RefPtr<nsGeolocationService> mService;
+
+  // Watch ID
+  uint32_t mLastWatchId;
+
+  // Pending requests are used when the service is not ready
+  nsTArray<RefPtr<nsGeolocationRequest> > mPendingRequests;
+
+  // Array containing already cleared watch IDs
+  nsTArray<int32_t> mClearedWatchIDs;
+};
+
+class PositionError final : public nsIDOMGeoPositionError,
+                            public nsWrapperCache
+{
+public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(PositionError)
+
+  NS_DECL_NSIDOMGEOPOSITIONERROR
+
+  PositionError(Geolocation* aParent, int16_t aCode);
+
+  Geolocation* GetParentObject() const;
+
+  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  int16_t Code() const {
+    return mCode;
+  }
+
+  void NotifyCallback(const GeoPositionErrorCallback& callback);
+private:
+  ~PositionError();
+  int16_t mCode;
+  RefPtr<Geolocation> mParent;
+};
+
+} // namespace dom
+
+inline nsISupports*
+ToSupports(dom::Geolocation* aGeolocation)
+{
+  return ToSupports(static_cast<nsIDOMGeoGeolocation*>(aGeolocation));
+}
+
+} // namespace mozilla
+
+#endif /* nsGeoLocation_h */