Remove CompositorObserver::OnCompositingEnded()

content/browser/renderer_host/delegated_frame_host.cc

 // Copyright 2014 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 "content/browser/renderer_host/delegated_frame_host.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 721 matching lines @@
     // if necessary.
     MaybeCreateResizeLock();
   }
 }
 
 void DelegatedFrameHost::OnCompositingStarted(ui::Compositor* compositor,
                                               base::TimeTicks start_time) {
   last_draw_ended_ = start_time;
 }
 
-void DelegatedFrameHost::OnCompositingEnded(ui::Compositor* compositor) {}
-
 void DelegatedFrameHost::OnCompositingLockStateChanged(
     ui::Compositor* compositor) {
   // A compositor lock that is part of a resize lock timed out. We
   // should display a renderer frame.
   if (!compositor->IsLocked() && can_lock_compositor_ == YES_DID_LOCK) {
     can_lock_compositor_ = NO_PENDING_RENDERER_FRAME;
   }
 }
 
 void DelegatedFrameHost::OnCompositingShuttingDown(ui::Compositor* compositor) {
@@ skipping 120 matching lines @@
   }
 
   if (!skipped_frames_) {
     latest_confirmed_begin_frame_source_id_ = ack.source_id;
     latest_confirmed_begin_frame_sequence_number_ =
         ack.latest_confirmed_sequence_number;
   }
 }
 
 }  // namespace content