Fix fullscreen elements in pinch viewport mode.

Source/core/frame/PinchViewport.h

Index: Source/core/frame/PinchViewport.h
diff --git a/Source/core/frame/PinchViewport.h b/Source/core/frame/PinchViewport.h
index 4ab3a0246d63e1fb369b94916424311e8128b66a..aa5bcfb6d97325988e051f01af03866fea4fb477 100644
--- a/Source/core/frame/PinchViewport.h
+++ b/Source/core/frame/PinchViewport.h
@@ -75,6 +75,10 @@ public:
     {
         return m_innerViewportContainerLayer.get();
     }
+    GraphicsLayer* innerViewportScrollLayer()

[bokan, 2014/10/09 02:19:18]

It's unambiguous and consistent with the above if we just call this scrollLayer

[aelias_OOO_until_Jul13, 2014/10/10 00:58:50]

Done.

+    {
+        return m_innerViewportScrollLayer.get();
+    }
 
     // Sets the location of the inner viewport relative to the outer viewport. The
     // coordinates are in partial CSS pixels.