Revert of Chromium plumbing for Screen Orientation API orientationchange events.

content/renderer/renderer_webkitplatformsupport_impl.h

Index: content/renderer/renderer_webkitplatformsupport_impl.h
diff --git a/content/renderer/renderer_webkitplatformsupport_impl.h b/content/renderer/renderer_webkitplatformsupport_impl.h
index 91ee31209646a34f9b30afe4ac2b736a5e41192c..45f292430417432ce7f98623b8e7dfb9e849db6b 100644
--- a/content/renderer/renderer_webkitplatformsupport_impl.h
+++ b/content/renderer/renderer_webkitplatformsupport_impl.h
@@ -31,7 +31,6 @@
 class WebDeviceMotionData;
 class WebDeviceOrientationData;
 class WebGraphicsContext3DProvider;
-class WebScreenOrientationListener;
 }
 
 namespace content {
@@ -39,7 +38,6 @@
 class DeviceOrientationEventPump;
 class QuotaMessageFilter;
 class RendererClipboardClient;
-class ScreenOrientationDispatcher;
 class ThreadSafeSender;
 class WebClipboardImpl;
 class WebCryptoImpl;
@@ -152,8 +150,6 @@
       blink::WebStorageQuotaCallbacks) OVERRIDE;
   virtual void vibrate(unsigned int milliseconds);
   virtual void cancelVibration();
-  virtual void setScreenOrientationListener(
-    blink::WebScreenOrientationListener*) OVERRIDE;
 
   // Disables the WebSandboxSupport implementation for testing.
   // Tests that do not set up a full sandbox environment should call
@@ -222,8 +218,6 @@
 
   scoped_ptr<WebCryptoImpl> web_crypto_;
 
-  scoped_ptr<ScreenOrientationDispatcher> screen_orientation_dispatcher_;
-
   DISALLOW_COPY_AND_ASSIGN(RendererWebKitPlatformSupportImpl);
 };