Revert 95426 - Removed the option to enable accelerated drawing from...

Revert 95426 - Removed the option to enable accelerated drawing from about:flags. Accelerated drawing will not be in a stable state for M14. I will revert this change in trunk as soon as it is merged with M14 branch.
Review URL: http://codereview.chromium.org/7551021

TBR=alokp@chromium.org
Review URL: http://codereview.chromium.org/7461131

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@95454 0039d316-1c4b-4281-b951-d872f2087c98

chrome/app/generated_resources.grd

@@ -4255,6 +4255,12 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_FLAGS_COMPOSITED_LAYER_BORDERS_DESCRIPTION" desc="Description of the 'Composited layer borders' lab.">
         Renders a border around composited Render Layers to help debug and study layer compositing.
       </message>
+      <message name="IDS_FLAGS_ACCELERATED_DRAWING_NAME" desc="Title for the flag to enable accelerated drawing">
+        GPU Accelerated Drawing
+      </message>
+      <message name="IDS_FLAGS_ACCELERATED_DRAWING_DESCRIPTION" desc="Description for the flag to enable accelerated drawing">
+        Enable GPU accelerated drawing of page contents when compositing is enabled.
+      </message>
       <message name="IDS_FLAGS_SHOW_FPS_COUNTER" desc="Name of the 'Show FPS counter' lab.">
         FPS counter
       </message>

chrome/browser/about_flags.cc

@@ -147,6 +147,13 @@ const Experiment kExperiments[] = {
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kShowCompositedLayerBorders)
   },
+  {
+    "accelerated-drawing",
+    IDS_FLAGS_ACCELERATED_DRAWING_NAME,
+    IDS_FLAGS_ACCELERATED_DRAWING_DESCRIPTION,
+    kOsWin | kOsLinux | kOsCrOS,  // Not available on Mac until it uses Skia.
+    SINGLE_VALUE_TYPE(switches::kEnableAcceleratedDrawing)
+  },
   {
     "show-fps-counter",
     IDS_FLAGS_SHOW_FPS_COUNTER,