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

cc/layer_tree_host_impl_unittest.cc

Index: cc/layer_tree_host_impl_unittest.cc
diff --git a/cc/layer_tree_host_impl_unittest.cc b/cc/layer_tree_host_impl_unittest.cc
index e2dda54c6c5b3aa99bf7e770731c93f6d4195ed5..d28de9f57fd2e41a0a734a29ac7b91d927439c7b 100644
--- a/cc/layer_tree_host_impl_unittest.cc
+++ b/cc/layer_tree_host_impl_unittest.cc
@@ -3822,9 +3822,9 @@ TEST_P(CCLayerTreeHostImplTest, surfaceTextureCaching)
         myHostImpl->didDrawAllLayers(frame);
     }
 
-    // Change opacity on the intermediate layer
+    // Change location of the intermediate layer
     WebTransformationMatrix transform = intermediateLayerPtr->transform();
-    transform.setM11(1.0001);
+    transform.setM41(1.0001);
     intermediateLayerPtr->setTransform(transform);
     {
         CCLayerTreeHostImpl::FrameData frame;
@@ -3985,9 +3985,9 @@ TEST_P(CCLayerTreeHostImplTest, surfaceTextureCachingNoPartialSwap)
         myHostImpl->didDrawAllLayers(frame);
     }
 
-    // Change opacity on the intermediate layer
+    // Change location of the intermediate layer
     WebTransformationMatrix transform = intermediateLayerPtr->transform();
-    transform.setM11(1.0001);
+    transform.setM41(1.0001);
     intermediateLayerPtr->setTransform(transform);
     {
         CCLayerTreeHostImpl::FrameData frame;