cc: Use BeginFrameArgs

cc/trees/thread_proxy.h

Index: cc/trees/thread_proxy.h
diff --git a/cc/trees/thread_proxy.h b/cc/trees/thread_proxy.h
index 1f5f29eec6c28c6b4071c0a5d6885cd9ff2d2cfe..5c8ba345ae1765e861540b548fdb4a18385a843f 100644
--- a/cc/trees/thread_proxy.h
+++ b/cc/trees/thread_proxy.h
@@ -72,7 +72,9 @@ class ThreadProxy : public Proxy,
   virtual void DidLoseOutputSurfaceOnImplThread() OVERRIDE;
   virtual void OnSwapBuffersCompleteOnImplThread() OVERRIDE;
   virtual void BeginFrameOnImplThread(const BeginFrameArgs& args) OVERRIDE;
+  virtual void DidBeginFrameDeadlineOnImplThread() OVERRIDE;
   virtual void OnCanDrawStateChanged(bool can_draw) OVERRIDE;
+  virtual void NotifyReadyToActivate() OVERRIDE;
   virtual void OnHasPendingTreeStateChanged(bool has_pending_tree) OVERRIDE;
   virtual void SetNeedsRedrawOnImplThread() OVERRIDE;
   virtual void SetNeedsRedrawRectOnImplThread(gfx::Rect dirty_rect) OVERRIDE;
@@ -95,19 +97,23 @@ class ThreadProxy : public Proxy,
   // SchedulerClient implementation
   virtual void SetNeedsBeginFrameOnImplThread(bool enable) OVERRIDE;
   virtual void ScheduledActionSendBeginFrameToMainThread() OVERRIDE;
-  virtual ScheduledActionDrawAndSwapResult
+  virtual DrawSwapReadbackResult
       ScheduledActionDrawAndSwapIfPossible() OVERRIDE;
-  virtual ScheduledActionDrawAndSwapResult ScheduledActionDrawAndSwapForced()
-      OVERRIDE;
+  virtual DrawSwapReadbackResult
+      ScheduledActionDrawAndSwapForced() OVERRIDE;
+  virtual DrawSwapReadbackResult
+      ScheduledActionDrawAndReadback() OVERRIDE;
   virtual void ScheduledActionCommit() OVERRIDE;
   virtual void ScheduledActionUpdateVisibleTiles() OVERRIDE;
-  virtual void ScheduledActionActivatePendingTreeIfNeeded() OVERRIDE;
+  virtual void ScheduledActionActivatePendingTree() OVERRIDE;
   virtual void ScheduledActionBeginOutputSurfaceCreation() OVERRIDE;
   virtual void ScheduledActionAcquireLayerTexturesForMainThread() OVERRIDE;
   virtual void DidAnticipatedDrawTimeChange(base::TimeTicks time) OVERRIDE;
   virtual base::TimeDelta DrawDurationEstimate() OVERRIDE;
   virtual base::TimeDelta BeginFrameToCommitDurationEstimate() OVERRIDE;
   virtual base::TimeDelta CommitToActivateDurationEstimate() OVERRIDE;
+  virtual void PostBeginFrameDeadline(const base::Closure& closure,
+                                      base::TimeTicks deadline) OVERRIDE;
 
   // ResourceUpdateControllerClient implementation
   virtual void ReadyToFinalizeTextureUpdates() OVERRIDE;
@@ -144,13 +150,14 @@ class ThreadProxy : public Proxy,
   struct CommitPendingRequest;
   struct SchedulerStateRequest;
 
-  void ForceCommitOnImplThread(CompletionEvent* completion);
+  void ForceCommitForReadbackOnImplThread(
+      CompletionEvent* completion,
+      ReadbackRequest *request);
   void StartCommitOnImplThread(
       CompletionEvent* completion,
       ResourceUpdateQueue* queue,
       scoped_refptr<cc::ContextProvider> offscreen_context_provider);
   void BeginFrameAbortedByMainThreadOnImplThread(bool did_handle);
-  void RequestReadbackOnImplThread(ReadbackRequest* request);
   void FinishAllRenderingOnImplThread(CompletionEvent* completion);
   void InitializeImplOnImplThread(CompletionEvent* completion);
   void SetLayerTreeHostClientReadyOnImplThread();
@@ -168,8 +175,8 @@ class ThreadProxy : public Proxy,
   void LayerTreeHostClosedOnImplThread(CompletionEvent* completion);
   void AcquireLayerTexturesForMainThreadOnImplThread(
       CompletionEvent* completion);
-  ScheduledActionDrawAndSwapResult ScheduledActionDrawAndSwapInternal(
-      bool forced_draw);
+  DrawSwapReadbackResult ScheduledActionDrawSwapReadbackInternal(
+      bool forced_draw, bool swap_requested, bool readback_requested);
   void ForceSerializeOnSwapBuffersOnImplThread(CompletionEvent* completion);
   void CheckOutputSurfaceStatusOnImplThread();
   void CommitPendingOnImplThreadForTesting(CommitPendingRequest* request);
@@ -214,6 +221,7 @@ class ThreadProxy : public Proxy,
   scoped_ptr<LayerTreeHostImpl> layer_tree_host_impl_;
 
   scoped_ptr<Scheduler> scheduler_on_impl_thread_;
+  bool frame_did_draw_;
 
   // Set when the main thread is waiting on a
   // ScheduledActionSendBeginFrameToMainThread to be issued.