Move MockScreenOrientationController to content/shell/renderer/test_runner/

content/public/test/layouttest_support.h

Index: content/public/test/layouttest_support.h
diff --git a/content/public/test/layouttest_support.h b/content/public/test/layouttest_support.h
index db751c861cc5750582f8298c2d9a441054bee4db..7bb8e89074e01637df07624ebe351412dfd30a96 100644
--- a/content/public/test/layouttest_support.h
+++ b/content/public/test/layouttest_support.h
@@ -56,14 +56,6 @@ void SetMockDeviceMotionData(const blink::WebDeviceMotionData& data);
 // a listener through WebKitPlatformSupport::setDeviceOrientationListener().
 void SetMockDeviceOrientationData(const blink::WebDeviceOrientationData& data);
 
-// Sets WebScreenOrientationType that should be used as a mock orientation.
-void SetMockScreenOrientation(
-    RenderView* render_view,
-    const blink::WebScreenOrientationType& orientation);
-
-// Resets the mock screen orientation data.
-void ResetMockScreenOrientation();
-
 // Notifies blink that battery status has changed.
 void MockBatteryStatusChanged(const blink::WebBatteryStatus& status);