Added option to enable accelerated drawing to about:flags.

Review URL: http://codereview.chromium.org/8733008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113076 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/about_flags.cc

@@ -151,6 +151,17 @@ const Experiment kExperiments[] = {
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kShowCompositedLayerBorders)
   },
+  {
+    "accelerated-drawing",
+    IDS_FLAGS_ACCELERATED_DRAWING_NAME,
+    IDS_FLAGS_ACCELERATED_DRAWING_DESCRIPTION,
+#if defined(USE_SKIA)
+    kOsAll,
+#else
+    0,
+#endif
+    SINGLE_VALUE_TYPE(switches::kEnableAcceleratedDrawing)
+  },
   {
     "show-fps-counter",
     IDS_FLAGS_SHOW_FPS_COUNTER,