Re-enable extension GPU features

chrome/browser/extensions/extension_webkit_preferences.cc

Index: chrome/browser/extensions/extension_webkit_preferences.cc
diff --git a/chrome/browser/extensions/extension_webkit_preferences.cc b/chrome/browser/extensions/extension_webkit_preferences.cc
index 40fddcd7a7afbfa874c8a0a19f5863da5a0a0f28..18c3985620f52f2fbe2e28084eab3cc49bea9f44 100644
--- a/chrome/browser/extensions/extension_webkit_preferences.cc
+++ b/chrome/browser/extensions/extension_webkit_preferences.cc
@@ -26,14 +26,6 @@ void SetPreferences(const Extension* extension,
     // Tabs aren't typically allowed to close windows. But extensions shouldn't
     // be subject to that.
     webkit_prefs->allow_scripts_to_close_windows = true;
-
-    // Disable anything that requires the GPU process for background pages.
-    // See http://crbug.com/64512 and http://crbug.com/64841.
-    if (render_view_type == chrome::VIEW_TYPE_EXTENSION_BACKGROUND_PAGE) {
-      webkit_prefs->experimental_webgl_enabled = false;
-      webkit_prefs->accelerated_compositing_enabled = false;
-      webkit_prefs->accelerated_2d_canvas_enabled = false;
-    }
   }
 
   if (extension->is_platform_app()) {