Allow WebExternalTextureLayers to receive a bitmap along with a mailbox

cc/trees/layer_tree_host.h

Index: cc/trees/layer_tree_host.h
diff --git a/cc/trees/layer_tree_host.h b/cc/trees/layer_tree_host.h
index b2856043c412a5a94428af2f851933b14d42b625..d6d13e4988c852463f3957748115278f368898fb 100644
--- a/cc/trees/layer_tree_host.h
+++ b/cc/trees/layer_tree_host.h
@@ -255,6 +255,8 @@ class CC_EXPORT LayerTreeHost : NON_EXPORTED_BASE(public RateLimiterClient) {
 
   bool in_paint_layer_contents() const { return in_paint_layer_contents_; }
 
+  bool UsingGLRenderer();
+
  protected:
   LayerTreeHost(LayerTreeHostClient* client, const LayerTreeSettings& settings);
   bool Initialize(scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner);
@@ -362,6 +364,8 @@ class CC_EXPORT LayerTreeHost : NON_EXPORTED_BASE(public RateLimiterClient) {
   };
   LCDTextMetrics lcd_text_metrics_;
 
+  bool using_gl_renderer_;

[piman, 2013/07/02 04:00:09]

new field needs initialization....

+
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };