4 files changed, 17 insertions, 26 deletions
diff --git a/modules/libpref/Preferences.cpp b/modules/libpref/Preferences.cpp
index 19487704f..840406635 100644
--- a/modules/libpref/Preferences.cpp
+++ b/modules/libpref/Preferences.cpp
@@ -1229,10 +1229,10 @@ static nsresult pref_InitInitialObjects()
   nsresult rv;
 
   // In omni.jar case, we load the following prefs:
-  // - jar:$gre/omni.jar!/greprefs.js
+  // - jar:$gre/omni.jar!/goanna.js
   // - jar:$gre/omni.jar!/defaults/pref/*.js
   // In non omni.jar case, we load:
-  // - $gre/greprefs.js
+  // - $gre/goanna.js
   //
   // In both cases, we also load:
   // - $gre/defaults/pref/*.js
@@ -1259,8 +1259,8 @@ static nsresult pref_InitInitialObjects()
 
   RefPtr<nsZipArchive> jarReader = mozilla::Omnijar::GetReader(mozilla::Omnijar::GRE);
   if (jarReader) {
-    // Load jar:$gre/omni.jar!/greprefs.js
-    rv = pref_ReadPrefFromJar(jarReader, "greprefs.js");
+    // Load jar:$gre/omni.jar!/goanna.js
+    rv = pref_ReadPrefFromJar(jarReader, "goanna.js");
     NS_ENSURE_SUCCESS(rv, rv);
 
     // Load jar:$gre/omni.jar!/defaults/pref/*.js
@@ -1279,12 +1279,12 @@ static nsresult pref_InitInitialObjects()
         NS_WARNING("Error parsing preferences.");
     }
   } else {
-    // Load $gre/greprefs.js
+    // Load $gre/goanna.js
     nsCOMPtr<nsIFile> greprefsFile;
     rv = NS_GetSpecialDirectory(NS_GRE_DIR, getter_AddRefs(greprefsFile));
     NS_ENSURE_SUCCESS(rv, rv);
 
-    rv = greprefsFile->AppendNative(NS_LITERAL_CSTRING("greprefs.js"));
+    rv = greprefsFile->AppendNative(NS_LITERAL_CSTRING("goanna.js"));
     NS_ENSURE_SUCCESS(rv, rv);
 
     rv = openPrefFile(greprefsFile);
diff --git a/modules/libpref/greprefs.js b/modules/libpref/goanna.js
index d59110b6a..d59110b6a 100644
--- a/modules/libpref/greprefs.js
+++ b/modules/libpref/goanna.js
diff --git a/modules/libpref/init/all.js b/modules/libpref/init/all.js
index 8f7ae0a58..2a47a8ad9 100644
--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -1166,7 +1166,6 @@ pref("dom.disable_window_open_feature.menubar",     false);
 pref("dom.disable_window_open_feature.resizable",   true);
 pref("dom.disable_window_open_feature.minimizable", false);
 pref("dom.disable_window_open_feature.status",      true);
-pref("dom.disable_window_showModalDialog",          true);
 
 pref("dom.allow_scripts_to_close_windows",          false);
 
@@ -4498,7 +4497,16 @@ pref("network.tcp.keepalive.probe_count", 4);
 #endif
 
 // Whether to disable acceleration for all widgets.
-pref("layers.acceleration.disabled", false);
+#if defined(XP_UNIX) && !defined(XP_MACOSX)
+// On Linux this is disabled by default for known issues with "free" drivers
+pref("layers.acceleration.enabled", false);
+#else
+pref("layers.acceleration.enabled", true);
+#endif
+// Whether to force acceleration on, ignoring blacklists.
+// This requires layers.acceleration.enabled to be set to true
+pref("layers.acceleration.force", false);
+
 // Preference that when switched at runtime will run a series of benchmarks
 // and output the result to stderr.
 pref("layers.bench.enabled", false);
@@ -4507,18 +4515,6 @@ pref("layers.bench.enabled", false);
 pref("layers.gpu-process.dev.enabled", true);
 #endif
 
-// Whether to force acceleration on, ignoring blacklists.
-#ifdef ANDROID
-// bug 838603 -- on Android, accidentally blacklisting OpenGL layers
-// means a startup crash for everyone.
-// Temporarily force-enable GL compositing.  This is default-disabled
-// deep within the bowels of the widgetry system.  Remove me when GL
-// compositing isn't default disabled in widget/android.
-pref("layers.acceleration.force-enabled", true);
-#else
-pref("layers.acceleration.force-enabled", false);
-#endif
-
 pref("layers.acceleration.draw-fps", false);
 
 // Enable DEAA antialiasing for transformed layers in the compositor
@@ -5329,9 +5325,6 @@ pref("dom.audiochannel.mutedByDefault", false);
 // HTML <dialog> element
 pref("dom.dialog_element.enabled", false);
 
-// Enable <details> and <summary> tags.
-pref("dom.details_element.enabled", true);
-
 // Secure Element API
 #ifdef MOZ_SECUREELEMENT
 pref("dom.secureelement.enabled", false);
diff --git a/modules/libpref/moz.build b/modules/libpref/moz.build
index 1c2c13e69..1c9a51650 100644
--- a/modules/libpref/moz.build
+++ b/modules/libpref/moz.build
@@ -43,6 +43,4 @@ FINAL_LIBRARY = 'xul'
 DEFINES['OS_ARCH'] = CONFIG['OS_ARCH']
 DEFINES['MOZ_WIDGET_TOOLKIT'] = CONFIG['MOZ_WIDGET_TOOLKIT']
 
-FINAL_TARGET_PP_FILES += [
-    'greprefs.js',
-]
+FINAL_TARGET_PP_FILES += ['goanna.js']