content: Remove Lock/Unlock CompositingSurface API from RWH.

content/browser/frame_host/render_widget_host_view_guest.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/frame_host/render_widget_host_view_guest.h"
 
 #include <utility>
 
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
@@ skipping 470 matching lines @@
 
 bool RenderWidgetHostViewGuest::IsSpeaking() const {
   return platform_view_->IsSpeaking();
 }
 
 void RenderWidgetHostViewGuest::StopSpeaking() {
   platform_view_->StopSpeaking();
 }
 #endif  // defined(OS_MACOSX)
 
-void RenderWidgetHostViewGuest::LockCompositingSurface() {
-  NOTIMPLEMENTED();
-}
-
-void RenderWidgetHostViewGuest::UnlockCompositingSurface() {
-  NOTIMPLEMENTED();
-}
-
 RenderWidgetHostViewBase*
 RenderWidgetHostViewGuest::GetOwnerRenderWidgetHostView() const {
   return guest_ ? static_cast<RenderWidgetHostViewBase*>(
                       guest_->GetOwnerRenderWidgetHostView())
                 : nullptr;
 }
 
 // TODO(wjmaclean): When we remove BrowserPlugin, delete this code.
 // http://crbug.com/533069
 void RenderWidgetHostViewGuest::MaybeSendSyntheticTapGesture(
@@ skipping 138 matching lines @@
         gesture_event.data.scrollUpdate.inertialPhase ==
             blink::WebGestureEvent::MomentumPhase) {
       return;
     }
     host_->ForwardGestureEvent(gesture_event);
     return;
   }
 }
 
 }  // namespace content