cc: Fix build issues for adding ‘chromium_code’: 1 to cc.gyp and cc_tests.gyp

cc/trees/layer_tree_host_impl_unittest.cc

Index: cc/trees/layer_tree_host_impl_unittest.cc
diff --git a/cc/trees/layer_tree_host_impl_unittest.cc b/cc/trees/layer_tree_host_impl_unittest.cc
index b20f0e01991d8caaecd2070da5c2fcf9b56429df..07296005a19a83c44992de739dfce5d3ecdeebfd 100644
--- a/cc/trees/layer_tree_host_impl_unittest.cc
+++ b/cc/trees/layer_tree_host_impl_unittest.cc
@@ -1579,6 +1579,7 @@ TEST_F(LayerTreeHostImplTest, PageScaleDeltaAppliedToRootScrollLayerOnly) {
   gfx::Size surface_size(10, 10);
   float default_page_scale = 1.f;
   gfx::Transform default_page_scale_matrix;
+  default_page_scale_matrix.Scale(default_page_scale, default_page_scale);
 
   float new_page_scale = 2.f;
   gfx::Transform new_page_scale_matrix;