Clean up around methods to enter/exit fullscreen

content/renderer/render_frame_impl.cc

 // Copyright 2013 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/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 4410 matching lines @@
     render_accessibility_->HandleAccessibilityFindInPageResult(
         identifier, match_index, start_object, start_offset,
         end_object, end_offset);
   }
 }
 
 void RenderFrameImpl::didChangeManifest() {
   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidChangeManifest());
 }
 
-bool RenderFrameImpl::enterFullscreen() {
+void RenderFrameImpl::enterFullscreen() {
   Send(new FrameHostMsg_ToggleFullscreen(routing_id_, true));
-  return true;
 }
 
-bool RenderFrameImpl::exitFullscreen() {
+void RenderFrameImpl::exitFullscreen() {
   Send(new FrameHostMsg_ToggleFullscreen(routing_id_, false));
-  return true;
 }
 
 blink::WebPermissionClient* RenderFrameImpl::permissionClient() {
   if (!permission_client_) {
     permission_client_.reset(
         new PermissionDispatcher(GetRemoteInterfaces()));
   }
   return permission_client_.get();
 }
 
@@ skipping 1879 matching lines @@
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
 }  // namespace content