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

cc/CCOcclusionTrackerTest.cpp

Index: cc/CCOcclusionTrackerTest.cpp
diff --git a/cc/CCOcclusionTrackerTest.cpp b/cc/CCOcclusionTrackerTest.cpp
index ec4f0c4f28a76f5cf5df07b5adf58991f481812b..264123f07104de8c01f74a7beb5f9f4dc5f96504 100644
--- a/cc/CCOcclusionTrackerTest.cpp
+++ b/cc/CCOcclusionTrackerTest.cpp
@@ -240,7 +240,7 @@ protected:
 
         ASSERT(!root->renderSurface());
 
-        CCLayerTreeHostCommon::calculateDrawTransforms(root, root->bounds(), 1, &layerSorter, dummyMaxTextureSize, m_renderSurfaceLayerListImpl);
+        CCLayerTreeHostCommon::calculateDrawTransforms(root, root->bounds(), 1, 1, &layerSorter, dummyMaxTextureSize, m_renderSurfaceLayerListImpl);
         CCLayerTreeHostCommon::calculateVisibleRects(m_renderSurfaceLayerListImpl);
 
         m_layerIterator = m_layerIteratorBegin = Types::LayerIterator::begin(&m_renderSurfaceLayerListImpl);
@@ -253,7 +253,7 @@ protected:
 
         ASSERT(!root->renderSurface());
 
-        CCLayerTreeHostCommon::calculateDrawTransforms(root, root->bounds(), 1, dummyMaxTextureSize, m_renderSurfaceLayerListChromium);
+        CCLayerTreeHostCommon::calculateDrawTransforms(root, root->bounds(), 1, 1, dummyMaxTextureSize, m_renderSurfaceLayerListChromium);
         CCLayerTreeHostCommon::calculateVisibleRects(m_renderSurfaceLayerListChromium);
 
         m_layerIterator = m_layerIteratorBegin = Types::LayerIterator::begin(&m_renderSurfaceLayerListChromium);