Mojo-ify implementation of screen orientation locking/unlocking.

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 4492 matching lines @@
   Send(new FrameHostMsg_Are3DAPIsBlocked(
       routing_id_,
       blink::WebStringToGURL(frame_->top()->getSecurityOrigin().toString()),
       THREE_D_API_TYPE_WEBGL, &blocked));
   return !blocked;
 }
 
 blink::WebScreenOrientationClient*
     RenderFrameImpl::webScreenOrientationClient() {
   if (!screen_orientation_dispatcher_)
-    screen_orientation_dispatcher_ = new ScreenOrientationDispatcher(this);
+    // Connect to the remote service and give the proxy thus obtained to the
+    // dispatcher.
+    GetRemoteInterfaces()->GetInterface(&screen_orientation_service_);
+  screen_orientation_dispatcher_ =
+      new ScreenOrientationDispatcher(screen_orientation_service_.get());
   return screen_orientation_dispatcher_;
 }
 
 bool RenderFrameImpl::isControlledByServiceWorker(WebDataSource& data_source) {
   ServiceWorkerNetworkProvider* provider =
       ServiceWorkerNetworkProvider::FromDocumentState(
           DocumentState::FromDataSource(&data_source));
   return provider->IsControlledByServiceWorker();
 }
 
@@ skipping 2014 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