cc: Fix capitalization style in chromified files.

cc/layers/tiled_layer_unittest.cc

Index: cc/layers/tiled_layer_unittest.cc
diff --git a/cc/layers/tiled_layer_unittest.cc b/cc/layers/tiled_layer_unittest.cc
index 79d3f0b7dccac7f6938060e6744738e0f0029550..e852bb127ee4f7e8c4a01f5b11a9d5c40b4761dd 100644
--- a/cc/layers/tiled_layer_unittest.cc
+++ b/cc/layers/tiled_layer_unittest.cc
@@ -763,7 +763,7 @@ TEST_F(TiledLayerTest, VerifyUpdateRectWhenContentBoundsAreScaled) {
   layer->SetContentBounds(content_bounds.size());
   layer->draw_properties().visible_content_rect = content_bounds;
 
-  // On first update, the updateRect includes all tiles, even beyond the
+  // On first update, the update_rect includes all tiles, even beyond the
   // boundaries of the layer.
   // However, it should still be in layer space, not content space.
   layer->InvalidateContentRect(content_bounds);