Unified BeginFrame scheduling

cc/trees/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_PROXY_H_
 #define CC_TREES_PROXY_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 82 matching lines @@
 
   // Maximum number of sub-region texture updates supported for each commit.
   virtual size_t MaxPartialTextureUpdates() const = 0;
 
   virtual bool SupportsImplScrolling() const = 0;
 
   virtual void AsValueInto(base::debug::TracedValue* value) const = 0;
 
   virtual void SetDebugState(const LayerTreeDebugState& debug_state) = 0;
 
+  virtual void BeginFrameRequested() = 0;

[brianderson, 2014/08/21 00:14:00]

SetChildrenNeedBeginFrames(bool enable)?

The 's' in "Frames" indicate that it's level triggered. "Children"
differentiates the request from main thread requests.

[simonhong, 2014/08/26 08:24:48]

This also removed.

+
   // Testing hooks
   virtual bool CommitPendingForTesting() = 0;
 
  protected:
   Proxy(scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
         scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner);
   friend class DebugScopedSetImplThread;
   friend class DebugScopedSetMainThread;
   friend class DebugScopedSetMainThreadBlocked;
 
@@ skipping 30 matching lines @@
   explicit DebugScopedSetMainThreadBlocked(Proxy* proxy) {}
   ~DebugScopedSetMainThreadBlocked() {}
  private:
   DISALLOW_COPY_AND_ASSIGN(DebugScopedSetMainThreadBlocked);
 };
 #endif
 
 }  // namespace cc
 
 #endif  // CC_TREES_PROXY_H_