cc: Reduce surface contents scale adjustments.

cc/test/layer_tree_pixel_test.cc

Index: cc/test/layer_tree_pixel_test.cc
diff --git a/cc/test/layer_tree_pixel_test.cc b/cc/test/layer_tree_pixel_test.cc
index b59c54d0b29cac5aaee2a6e3c8789b01bb367131..6298b786f1408d51c28d6ee40e2ccdd14a0bd9a2 100644
--- a/cc/test/layer_tree_pixel_test.cc
+++ b/cc/test/layer_tree_pixel_test.cc
@@ -140,6 +140,10 @@ void LayerTreePixelTest::EndTest() {
   TryEndTest();
 }
 
+void LayerTreePixelTest::InitializeSettings(LayerTreeSettings* settings) {
+  settings->layer_transforms_should_scale_layer_contents = true;
+}
+
 void LayerTreePixelTest::TryEndTest() {
   if (!result_bitmap_)
     return;