[ScreenOrientation] De-associate device.mojom.ScreenOrientation from legacy IPC channel.

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 cc28f1f41ab015f8dbed479de9a5fb226d4e22dc..c4b640e782d6e21e1f6d3cff8362bb6c5c6a84cf 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -152,7 +152,6 @@ class RenderViewImpl;
 class RenderWidget;
 class RenderWidgetFullscreenPepper;
 class ResourceRequestBodyImpl;
-class ScreenOrientationDispatcher;
 class SharedWorkerRepository;
 class UserMediaClientImpl;
 struct CommonNavigationParams;
@@ -643,7 +642,6 @@ class CONTENT_EXPORT RenderFrameImpl
   blink::WebString userAgentOverride() override;
   blink::WebString doNotTrackValue() override;
   bool allowWebGL(bool default_value) override;
-  blink::WebScreenOrientationClient* webScreenOrientationClient() override;
   bool isControlledByServiceWorker(blink::WebDataSource& data_source) override;
   int64_t serviceWorkerID(blink::WebDataSource& data_source) override;
   void postAccessibilityEvent(const blink::WebAXObject& obj,
@@ -1291,10 +1289,6 @@ class CONTENT_EXPORT RenderFrameImpl
   // The Connector proxy used to connect to services.
   service_manager::mojom::ConnectorPtr connector_;
 
-  // The screen orientation dispatcher attached to the frame, lazily
-  // initialized.
-  ScreenOrientationDispatcher* screen_orientation_dispatcher_;
-
   // The Manifest Manager handles the manifest requests from the browser
   // process.
   ManifestManager* manifest_manager_;