cc: Remove estimated parent draw time from renderer

cc/trees/proxy_impl.h

 // Copyright 2015 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_IMPL_H_
 #define CC_TREES_PROXY_IMPL_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 51 matching lines @@
   // the main thread is blocked for a commit.
   struct BlockedMainCommitOnly {
     BlockedMainCommitOnly();
     ~BlockedMainCommitOnly();
     LayerTreeHostInProcess* layer_tree_host;
   };
 
   // LayerTreeHostImplClient implementation
   void DidLoseCompositorFrameSinkOnImplThread() override;
   void SetBeginFrameSource(BeginFrameSource* source) override;
-  void SetEstimatedParentDrawTime(base::TimeDelta draw_time) override;
   void DidSwapBuffersCompleteOnImplThread() override;
   void OnCanDrawStateChanged(bool can_draw) override;
   void NotifyReadyToActivate() override;
   void NotifyReadyToDraw() override;
   // Please call these 2 functions through
   // LayerTreeHostImpl's SetNeedsRedraw() and SetNeedsOneBeginImplFrame().
   void SetNeedsRedrawOnImplThread() override;
   void SetNeedsOneBeginImplFrameOnImplThread() override;
   void SetNeedsPrepareTilesOnImplThread() override;
   void SetNeedsCommitOnImplThread() override;
@@ skipping 63 matching lines @@
   // Use accessors instead of this variable directly.
   BlockedMainCommitOnly main_thread_blocked_commit_vars_unsafe_;
   BlockedMainCommitOnly& blocked_main_commit();
 
   DISALLOW_COPY_AND_ASSIGN(ProxyImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_PROXY_IMPL_H_