cc: Apply the layer's initial CSS scale to the contentsScale to render text at the right resolution.

cc/CCLayerTreeHostCommon.h

Index: cc/CCLayerTreeHostCommon.h
diff --git a/cc/CCLayerTreeHostCommon.h b/cc/CCLayerTreeHostCommon.h
index 55d137c5e6958d06a6cc79b31b99829f47d52312..02762665ee769adc7abb3eab494e9152e97b42b6 100644
--- a/cc/CCLayerTreeHostCommon.h
+++ b/cc/CCLayerTreeHostCommon.h
@@ -22,8 +22,8 @@ class CCLayerTreeHostCommon {
 public:
     static IntRect calculateVisibleRect(const IntRect& targetSurfaceRect, const IntRect& layerBoundRect, const WebKit::WebTransformationMatrix&);
 
-    static void calculateDrawTransforms(LayerChromium* rootLayer, const IntSize& deviceViewportSize, float deviceScaleFactor, int maxTextureSize, Vector<RefPtr<LayerChromium> >& renderSurfaceLayerList);
-    static void calculateDrawTransforms(CCLayerImpl* rootLayer, const IntSize& deviceViewportSize, float deviceScaleFactor, CCLayerSorter*, int maxTextureSize, Vector<CCLayerImpl*>& renderSurfaceLayerList);
+    static void calculateDrawTransforms(LayerChromium* rootLayer, const IntSize& deviceViewportSize, float deviceScaleFactor, float pageScaleFactor, int maxTextureSize, Vector<RefPtr<LayerChromium> >& renderSurfaceLayerList);
+    static void calculateDrawTransforms(CCLayerImpl* rootLayer, const IntSize& deviceViewportSize, float deviceScaleFactor, float pageScaleFactor, CCLayerSorter*, int maxTextureSize, Vector<CCLayerImpl*>& renderSurfaceLayerList);
 
     static void calculateVisibleRects(Vector<CCLayerImpl*>& renderSurfaceLayerList);
     static void calculateVisibleRects(Vector<RefPtr<LayerChromium> >& renderSurfaceLayerList);