From a95078a6c6c8ed253c5e279c71462d0d45c1aec3 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Tue, 11 Sep 2018 14:24:50 +0200
Subject: Bug 1469309 - Remove an unused sensor type.

---
 hal/Hal.cpp                | 1 +
 hal/HalSensor.h            | 3 +--
 hal/sandbox/SandboxHal.cpp | 6 +++---
 3 files changed, 5 insertions(+), 5 deletions(-)

(limited to 'hal')

diff --git a/hal/Hal.cpp b/hal/Hal.cpp
index 16201a2d8..e60a3ee61 100644
--- a/hal/Hal.cpp
+++ b/hal/Hal.cpp
@@ -590,6 +590,7 @@ UnregisterSensorObserver(SensorType aSensor, ISensorObserver *aObserver) {
   AssertMainThread();
 
   if (!gSensorObservers) {
+    HAL_ERR("Un-registering a sensor when none have been registered");
     return;
   }
 
diff --git a/hal/HalSensor.h b/hal/HalSensor.h
index 551c4271d..5175629c9 100644
--- a/hal/HalSensor.h
+++ b/hal/HalSensor.h
@@ -18,7 +18,6 @@ namespace hal {
  * If you add or change any here, do the same in GeckoHalDefines.java.
  */
 enum SensorType {
-  SENSOR_UNKNOWN = -1,
   SENSOR_ORIENTATION = 0,
   SENSOR_ACCELERATION = 1,
   SENSOR_PROXIMITY = 2,
@@ -63,7 +62,7 @@ namespace IPC {
   struct ParamTraits<mozilla::hal::SensorType>:
     public ContiguousEnumSerializer<
              mozilla::hal::SensorType,
-             mozilla::hal::SENSOR_UNKNOWN,
+             mozilla::hal::SENSOR_ORIENTATION,
              mozilla::hal::NUM_SENSOR_TYPE> {
   };
 
diff --git a/hal/sandbox/SandboxHal.cpp b/hal/sandbox/SandboxHal.cpp
index 9771b3ef6..5501d459b 100644
--- a/hal/sandbox/SandboxHal.cpp
+++ b/hal/sandbox/SandboxHal.cpp
@@ -16,6 +16,7 @@
 #include "mozilla/dom/battery/Types.h"
 #include "mozilla/dom/network/Types.h"
 #include "mozilla/dom/ScreenOrientation.h"
+#include "mozilla/EnumeratedRange.h"
 #include "mozilla/Observer.h"
 #include "mozilla/Unused.h"
 #include "nsAutoPtr.h"
@@ -404,9 +405,8 @@ public:
     hal::UnregisterBatteryObserver(this);
     hal::UnregisterNetworkObserver(this);
     hal::UnregisterScreenConfigurationObserver(this);
-    for (int32_t sensor = SENSOR_UNKNOWN + 1;
-         sensor < NUM_SENSOR_TYPE; ++sensor) {
-      hal::UnregisterSensorObserver(SensorType(sensor), this);
+    for (auto sensor : MakeEnumeratedRange(NUM_SENSOR_TYPE)) {
+      hal::UnregisterSensorObserver(sensor, this);
     }
     hal::UnregisterWakeLockObserver(this);
     hal::UnregisterSystemClockChangeObserver(this);
-- 
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