cc: Stop blocking the main thread in CreateAndInitializeOutputSurface.

cc/trees/thread_proxy.h

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_TREES_THREAD_PROXY_H_
 #define CC_TREES_THREAD_PROXY_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 54 matching lines @@
     // Set only when SetNeedsCommit is called.
     bool commit_requested;
     // Set by SetNeedsAnimate, SetNeedsUpdateLayers, and SetNeedsCommit.
     bool commit_request_sent_to_impl_thread;
 
     bool started;
     bool manage_tiles_pending;
     bool can_cancel_commit;
     bool defer_commits;
 
-    base::CancelableClosure output_surface_creation_callback;
     RendererCapabilities renderer_capabilities_main_thread_copy;
 
     scoped_ptr<BeginMainFrameAndCommitState> pending_deferred_commit;
     base::WeakPtrFactory<ThreadProxy> weak_factory;
   };
 
   // Accessed on the main thread, or when main thread is blocked.
   struct MainThreadOrBlockedMainThread {
     explicit MainThreadOrBlockedMainThread(LayerTreeHost* host);
     ~MainThreadOrBlockedMainThread();
@@ skipping 149 matching lines @@
 
  private:
   // Called on main thread.
   void SetRendererCapabilitiesMainThreadCopy(
       const RendererCapabilities& capabilities);
   void BeginMainFrame(
       scoped_ptr<BeginMainFrameAndCommitState> begin_main_frame_state);
   void DidCommitAndDrawFrame();
   void DidCompleteSwapBuffers();
   void SetAnimationEvents(scoped_ptr<AnimationEventsVector> queue);
+  void DidLoseOutputSurface();
   void CreateAndInitializeOutputSurface();
-  void DoCreateAndInitializeOutputSurface();
+  void DidInitializeOutputSurface(bool success,
+                                  const RendererCapabilities& capabilities);
   void SendCommitRequestToImplThreadIfNeeded();
 
   // Called on impl thread.
   struct CommitPendingRequest;
   struct SchedulerStateRequest;
 
   void StartCommitOnImplThread(CompletionEvent* completion,
                                ResourceUpdateQueue* queue);
   void BeginMainFrameAbortedOnImplThread(bool did_handle);
   void FinishAllRenderingOnImplThread(CompletionEvent* completion);
   void InitializeImplOnImplThread(CompletionEvent* completion);
   void SetLayerTreeHostClientReadyOnImplThread();
   void SetVisibleOnImplThread(CompletionEvent* completion, bool visible);
   void UpdateBackgroundAnimateTicking();
   void HasInitializedOutputSurfaceOnImplThread(
       CompletionEvent* completion,
       bool* has_initialized_output_surface);
-  virtual void InitializeOutputSurfaceOnImplThread(
-      CompletionEvent* completion,
-      scoped_ptr<OutputSurface> output_surface,
-      bool* success,
-      RendererCapabilities* capabilities);
+  void DeleteContentsTexturesOnImplThread(CompletionEvent* completion);
+  void InitializeOutputSurfaceOnImplThread(
+      scoped_ptr<OutputSurface> output_surface);
   void FinishGLOnImplThread(CompletionEvent* completion);
   void LayerTreeHostClosedOnImplThread(CompletionEvent* completion);
   DrawResult DrawSwapInternal(bool forced_draw);
   void ForceSerializeOnSwapBuffersOnImplThread(CompletionEvent* completion);
   void CheckOutputSurfaceStatusOnImplThread();
   void CommitPendingOnImplThreadForTesting(CommitPendingRequest* request);
   void SchedulerAsValueOnImplThreadForTesting(SchedulerStateRequest* request);
   void AsValueOnImplThread(CompletionEvent* completion,
                            base::DictionaryValue* state) const;
   void SetSwapUsedIncompleteTileOnImplThread(bool used_incomplete_tile);
@@ skipping 18 matching lines @@
 
   base::WeakPtr<ThreadProxy> main_thread_weak_ptr_;
   base::WeakPtr<ThreadProxy> impl_thread_weak_ptr_;
 
   DISALLOW_COPY_AND_ASSIGN(ThreadProxy);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_THREAD_PROXY_H_