Bug 1071275. Consolidate silk preferences. r=kats

b2g/app/b2g.js

@@ -1124,8 +1124,5 @@ pref("dom.mozSettings.allowForceReadOnly", false);
 // RequestSync API is enabled by default on B2G.
 pref("dom.requestSync.enabled", true);
 
-// Use vsync aligned rendering
-pref("gfx.vsync.hw-vsync.enabled", true);
-pref("gfx.vsync.compositor", true);
+// Resample touch events on b2g
 pref("gfx.touch.resample", true);
-pref("gfx.vsync.refreshdriver", true);

mobile/android/app/mobile.js

@@ -863,11 +863,6 @@ pref("reader.toolbar.vertical", false);
 // Whether or not to display buttons related to reading list in reader view.
 pref("browser.readinglist.enabled", true);
 
-// Use software vsync to schedule rendering
-pref("gfx.vsync.hw-vsync.enabled", true);
-pref("gfx.vsync.compositor", true);
-pref("gfx.vsync.refreshdriver", true);
-
 // Selection carets never fall-back to internal LongTap detector.
 pref("selectioncaret.detects.longtap", false);
 

modules/libpref/init/all.js

@@ -4688,11 +4688,9 @@ pref("media.gmp.insecure.allow", false);
 // Use vsync aligned rendering. b2g prefs are in b2g.js.
 // Hardware vsync supported on windows, os x, and b2g.
 // Linux and fennec will use software vsync.
-#if defined(XP_MACOSX) || defined(XP_WIN) || defined(XP_LINUX)
 pref("gfx.vsync.hw-vsync.enabled", true);
 pref("gfx.vsync.compositor", true);
 pref("gfx.vsync.refreshdriver", true);
-#endif
 
 // Secure Element API
 #ifdef MOZ_SECUREELEMENT