Move MockScreenOrientationController to content/shell/renderer/test_runner/

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 1cd15d8f157dcdfb90cb89c0903ece7842404a40..067d550a1695364c237f026be343435ae4414080 100644
--- a/content/renderer/renderer_webkitplatformsupport_impl.h
+++ b/content/renderer/renderer_webkitplatformsupport_impl.h
@@ -175,12 +175,6 @@ class CONTENT_EXPORT RendererWebKitPlatformSupportImpl
   // is invoked.
   static void SetMockDeviceOrientationDataForTesting(
       const blink::WebDeviceOrientationData& data);
-  // Forces the screen orientation for testing purposes.
-  static void SetMockScreenOrientationForTesting(
-      RenderView* render_view,
-      blink::WebScreenOrientationType);
-  // Resets the mock screen orientation data used for testing.
-  static void ResetMockScreenOrientationForTesting();
 
   // Notifies blink::WebBatteryStatusListener that battery status has changed.
   static void MockBatteryStatusChangedForTesting(