cc: split UpdateGpuRasterizationStatus() into two parts.

cc/trees/layer_tree_host_impl.h

Index: cc/trees/layer_tree_host_impl.h
diff --git a/cc/trees/layer_tree_host_impl.h b/cc/trees/layer_tree_host_impl.h
index 54776e77315b74a08c74c23351547aeb77b6bc73..26cc8ae8f0eabba5a43e8c52c35ccadec89deaf7 100644
--- a/cc/trees/layer_tree_host_impl.h
+++ b/cc/trees/layer_tree_host_impl.h
@@ -323,11 +323,13 @@ class CC_EXPORT LayerTreeHostImpl
 
   void set_has_gpu_rasterization_trigger(bool flag) {

[Stephen White, 2015/05/13 19:44:17]

This should probably be CamelCased, now that it's no longer just a setter.

[danakj, 2015/05/13 19:50:58]

this isn't a simple setter anymore, no hacker case

[Stephen White, 2015/05/13 20:15:20]

Done.

     has_gpu_rasterization_trigger_ = flag;
+    UpdateGpuRasterizationStatus();
   }
   void set_content_is_suitable_for_gpu_rasterization(bool flag) {

[Stephen White, 2015/05/13 19:44:17]

Same here.

[danakj, 2015/05/13 19:50:58]

dittos

[Stephen White, 2015/05/13 20:15:20]

Done.

     content_is_suitable_for_gpu_rasterization_ = flag;
+    UpdateGpuRasterizationStatus();
   }
-  void UpdateGpuRasterizationStatus();
+  void UpdateTreeResourcesIfNeeded();

[danakj, 2015/05/13 19:50:58]

UpdateTreeResourcesForGpuRasterizationIfNeeded?

[Stephen White, 2015/05/13 20:15:20]

Done.

   bool use_gpu_rasterization() const { return use_gpu_rasterization_; }
   bool use_msaa() const { return use_msaa_; }
 
@@ -571,6 +573,8 @@ class CC_EXPORT LayerTreeHostImpl
   void ReleaseTreeResources();
   void RecreateTreeResources();
 
+  void UpdateGpuRasterizationStatus();
+
   bool IsSynchronousSingleThreaded() const;
 
   Viewport* viewport() { return viewport_.get(); }
@@ -646,6 +650,7 @@ class CC_EXPORT LayerTreeHostImpl
   bool use_gpu_rasterization_;
   bool use_msaa_;
   GpuRasterizationStatus gpu_rasterization_status_;
+  bool tree_resources_dirty_;

[danakj, 2015/05/13 19:50:58]

_for_gpu_rasterization_

[Stephen White, 2015/05/13 20:15:20]

Done.

   scoped_ptr<TileTaskWorkerPool> tile_task_worker_pool_;
   scoped_ptr<ResourcePool> resource_pool_;
   scoped_ptr<ResourcePool> staging_resource_pool_;