Forward input tasks to the Blink scheduler

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"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/platform_thread.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "cc/base/cc_export.h"
+#include "cc/trees/main_thread_task_runner.h"
 
 namespace base { class SingleThreadTaskRunner; }
 
 namespace gfx {
 class Rect;
 class Vector2d;
 }
 
 namespace cc {
 
 class LayerTreeDebugState;
+class MainThreadTaskRunner;
 class OutputSurface;
 struct RendererCapabilities;
 
 // Abstract class responsible for proxying commands from the main-thread side of
 // the compositor over to the compositor implementation.
 class CC_EXPORT Proxy {
  public:
-  base::SingleThreadTaskRunner* MainThreadTaskRunner() const;
+  MainThreadTaskRunner* MainThreadTaskRunner() const;
   bool HasImplThread() const;
   base::SingleThreadTaskRunner* ImplThreadTaskRunner() const;
 
   // Debug hooks.
   bool IsMainThread() const;
   bool IsImplThread() const;
   bool IsMainThreadBlocked() const;
 #if DCHECK_IS_ON
   void SetMainThreadBlocked(bool is_main_thread_blocked);
   void SetCurrentThreadIsImplThread(bool is_impl_thread);
@@ skipping 46 matching lines @@
 
   virtual scoped_ptr<base::Value> AsValue() const = 0;
 
   virtual void SetDebugState(const LayerTreeDebugState& debug_state) = 0;
 
   // Testing hooks
   virtual bool CommitPendingForTesting() = 0;
   virtual scoped_ptr<base::Value> SchedulerAsValueForTesting();
 
  protected:
-  explicit Proxy(
-      scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner);
+  Proxy(scoped_refptr<cc::MainThreadTaskRunner> main_task_runner,
+        scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner);
   friend class DebugScopedSetImplThread;
   friend class DebugScopedSetMainThread;
   friend class DebugScopedSetMainThreadBlocked;
 
  private:
-  scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
+  scoped_refptr<cc::MainThreadTaskRunner> main_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner_;
 #if DCHECK_IS_ON
   const base::PlatformThreadId main_thread_id_;
   bool impl_thread_is_overridden_;
   bool is_main_thread_blocked_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(Proxy);
 };
 
@@ skipping 18 matching lines @@
   explicit DebugScopedSetMainThreadBlocked(Proxy* proxy) {}
   ~DebugScopedSetMainThreadBlocked() {}
  private:
   DISALLOW_COPY_AND_ASSIGN(DebugScopedSetMainThreadBlocked);
 };
 #endif
 
 }  // namespace cc
 
 #endif  // CC_TREES_PROXY_H_