From 097f982b32b1cb0915b760c1a40f67806081f45a Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Sat, 29 Sep 2018 00:16:29 +0200
Subject: Remove IndexedDB for content pref.

Tag Issue #765
---
 dom/indexedDB/ActorsParent.cpp | 12 ------------
 dom/indexedDB/IDBFactory.cpp   | 18 ------------------
 modules/libpref/init/all.js    |  2 --
 3 files changed, 32 deletions(-)

diff --git a/dom/indexedDB/ActorsParent.cpp b/dom/indexedDB/ActorsParent.cpp
index e6fe9e2a8..a3dc710ed 100644
--- a/dom/indexedDB/ActorsParent.cpp
+++ b/dom/indexedDB/ActorsParent.cpp
@@ -249,8 +249,6 @@ const char kSQLiteJournalSuffix[] = ".sqlite-journal";
 const char kSQLiteSHMSuffix[] = ".sqlite-shm";
 const char kSQLiteWALSuffix[] = ".sqlite-wal";
 
-const char kPrefIndexedDBEnabled[] = "dom.indexedDB.enabled";
-
 const char kPrefFileHandleEnabled[] = "dom.fileHandle.enabled";
 
 #define IDB_PREFIX "indexedDB"
@@ -21172,16 +21170,6 @@ FactoryOp::CheckPermission(ContentParent* aContentParent,
       return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
     }
 
-    if (NS_WARN_IF(!Preferences::GetBool(kPrefIndexedDBEnabled, false))) {
-      if (aContentParent) {
-        // The DOM in the other process should have kept us from receiving any
-        // indexedDB messages so assume that the child is misbehaving.
-        aContentParent->KillHard("IndexedDB CheckPermission 1");
-      }
-
-      return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
-    }
-
     const ContentPrincipalInfo& contentPrincipalInfo =
       principalInfo.get_ContentPrincipalInfo();
     if (contentPrincipalInfo.attrs().mPrivateBrowsingId != 0) {
diff --git a/dom/indexedDB/IDBFactory.cpp b/dom/indexedDB/IDBFactory.cpp
index 663828978..825d2ac36 100644
--- a/dom/indexedDB/IDBFactory.cpp
+++ b/dom/indexedDB/IDBFactory.cpp
@@ -47,12 +47,6 @@ namespace dom {
 using namespace mozilla::dom::quota;
 using namespace mozilla::ipc;
 
-namespace {
-
-const char kPrefIndexedDBEnabled[] = "dom.indexedDB.enabled";
-
-} // namespace
-
 class IDBFactory::BackgroundCreateCallback final
   : public nsIIPCBackgroundChildCreateCallback
 {
@@ -130,12 +124,6 @@ IDBFactory::CreateForWindow(nsPIDOMWindowInner* aWindow,
   nsCOMPtr<nsIPrincipal> principal;
   nsresult rv = AllowedForWindowInternal(aWindow, getter_AddRefs(principal));
 
-  if (!(NS_SUCCEEDED(rv) && nsContentUtils::IsSystemPrincipal(principal)) &&
-      NS_WARN_IF(!Preferences::GetBool(kPrefIndexedDBEnabled, false))) {
-    *aFactory = nullptr;
-    return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
-  }
-
   if (rv == NS_ERROR_DOM_NOT_SUPPORTED_ERR) {
     NS_WARNING("IndexedDB is not permitted in a third-party window.");
     *aFactory = nullptr;
@@ -246,12 +234,6 @@ IDBFactory::CreateForMainThreadJSInternal(
   MOZ_ASSERT(NS_IsMainThread());
   MOZ_ASSERT(aPrincipalInfo);
 
-  if (aPrincipalInfo->type() != PrincipalInfo::TSystemPrincipalInfo &&
-      NS_WARN_IF(!Preferences::GetBool(kPrefIndexedDBEnabled, false))) {
-    *aFactory = nullptr;
-    return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
-  }
-
   IndexedDatabaseManager* mgr = IndexedDatabaseManager::GetOrCreate();
   if (NS_WARN_IF(!mgr)) {
     IDB_REPORT_INTERNAL_ERR();
diff --git a/modules/libpref/init/all.js b/modules/libpref/init/all.js
index 32c59e737..05699f946 100644
--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -128,8 +128,6 @@ pref("browser.download.saveZoneInformation", 2);
 // Whether or not testing features are enabled.
 pref("dom.quotaManager.testing", false);
 
-// Whether or not indexedDB is enabled.
-pref("dom.indexedDB.enabled", true);
 // Whether or not indexedDB experimental features are enabled.
 pref("dom.indexedDB.experimental", false);
 // Enable indexedDB logging.
-- 
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