Remove all fling related stuff from the renderer assuming that browser side

cc/trees/thread_proxy.cc

 // 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.
 
 #include "cc/trees/thread_proxy.h"
 
 #include <string>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
@@ skipping 550 matching lines @@
   scheduler_on_impl_thread_->SetSwapUsedIncompleteTile(
     used_incomplete_tile);
 }
 
 void ThreadProxy::DidInitializeVisibleTileOnImplThread() {
   DCHECK(IsImplThread());
   TRACE_EVENT0("cc", "ThreadProxy::DidInitializeVisibleTileOnImplThread");
   scheduler_on_impl_thread_->SetNeedsRedraw();
 }
 
-void ThreadProxy::MainThreadHasStoppedFlinging() {
-  DCHECK(IsMainThread());
-  Proxy::ImplThreadTaskRunner()->PostTask(
-      FROM_HERE,
-      base::Bind(&ThreadProxy::MainThreadHasStoppedFlingingOnImplThread,
-                 impl_thread_weak_ptr_));
-}
-
-void ThreadProxy::MainThreadHasStoppedFlingingOnImplThread() {
-  DCHECK(IsImplThread());
-  layer_tree_host_impl_->MainThreadHasStoppedFlinging();
-}
-
 void ThreadProxy::NotifyInputThrottledUntilCommit() {
   DCHECK(IsMainThread());
   Proxy::ImplThreadTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&ThreadProxy::SetInputThrottledUntilCommitOnImplThread,
                  impl_thread_weak_ptr_,
                  true));
 }
 
 void ThreadProxy::SetInputThrottledUntilCommitOnImplThread(
@@ skipping 991 matching lines @@
     completion_event_for_commit_held_on_tree_activation_ = NULL;
   }
 
   UpdateBackgroundAnimateTicking();
 
   commit_to_activate_duration_history_.InsertSample(
       base::TimeTicks::HighResNow() - commit_complete_time_);
 }
 
 }  // namespace cc