[#7] Pass gfx::Size by const ref.

Any struct of size > 4 bytes should be passed by const ref. 
Passing by ref for these structs is faster than passing by value,
especially when invoking function has multiple parameters and some
other scenarios mentioned in the bug.

BUG=159273

Review URL: https://codereview.chromium.org/145313006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247426 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 2 insertions, 2 deletions

diff --git a/cc/test/tiled_layer_test_common.cc b/cc/test/tiled_layer_test_common.cc
index 6dddfd3..e39765e 100644
--- a/cc/test/tiled_layer_test_common.cc
+++ b/cc/test/tiled_layer_test_common.cc
@@ -35,7 +35,7 @@ FakeLayerUpdater::FakeLayerUpdater() : prepare_count_(0), update_count_(0) {}
 FakeLayerUpdater::~FakeLayerUpdater() {}
 
 void FakeLayerUpdater::PrepareToUpdate(const gfx::Rect& content_rect,
-                                       gfx::Size tile_size,
+                                       const gfx::Size& tile_size,
                                        float contents_width_scale,
                                        float contents_height_scale,
                                        gfx::Rect* resulting_opaque_rect) {
@@ -148,7 +148,7 @@ LayerUpdater* FakeTiledLayer::Updater() const {
 }
 
 void FakeTiledLayerWithScaledBounds::SetContentBounds(
-    gfx::Size content_bounds) {
+    const gfx::Size& content_bounds) {
   forced_content_bounds_ = content_bounds;
   draw_properties().content_bounds = forced_content_bounds_;
 }