Create Mojo service for locking/unlocking screen orientation.

content/renderer/render_frame_impl.h

Index: content/renderer/render_frame_impl.h
diff --git a/content/renderer/render_frame_impl.h b/content/renderer/render_frame_impl.h
index 1a0f32dab2efb1c0201b0e535562c262927f223d..745f5679326d4b0207d7104b2cd5e1403be4a47d 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -21,6 +21,7 @@
 #include "content/public/renderer/render_frame.h"
 #include "content/renderer/render_frame_proxy.h"
 #include "content/renderer/renderer_webcookiejar_impl.h"
+#include "content/renderer/screen_orientation/screen_orientation_dispatcher.h"
 #include "ipc/ipc_message.h"
 #include "media/blink/webmediaplayer_delegate.h"
 #include "third_party/WebKit/public/web/WebAXObject.h"
@@ -76,7 +77,6 @@ class RenderFrameObserver;
 class RenderViewImpl;
 class RenderWidget;
 class RenderWidgetFullscreenPepper;
-class ScreenOrientationDispatcher;
 class UserMediaClientImpl;
 struct CustomContextMenuContext;
 
@@ -729,6 +729,10 @@ class CONTENT_EXPORT RenderFrameImpl
   // initialized.
   ScreenOrientationDispatcher* screen_orientation_dispatcher_;
 
+  // Used to give a ScreenOrientationService* that is connected to the
+  // remote service to the dispatcher.
+  ScreenOrientationServicePtr screen_orientation_service_;
+
   // The current accessibility mode.
   AccessibilityMode accessibility_mode_;