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authorajay.berwal@samsung.com <ajay.berwal@samsung.com@0039d316-1c4b-4281-b951-d872f2087c98>2014-02-05 09:18:42 +0000
committerajay.berwal@samsung.com <ajay.berwal@samsung.com@0039d316-1c4b-4281-b951-d872f2087c98>2014-02-05 09:18:42 +0000
commit243e4f1996a61098947b5f9ad1798d6b5412ef0b (patch)
tree647808bf21f492a652d54e8e15c12177ca04e824 /cc/input
parent1e7e41e75151197f026df35b9c01c4bc63bccef0 (diff)
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Pass gfx structs by const ref (gfx::Vector2d)
Avoid unneccessary copy of structures gfx::Vector2d by passing them by const ref rather than value. 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. Pass gfx structs by const ref (gfx::Vector2d) BUG=159273 Review URL: https://codereview.chromium.org/132163009 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248941 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'cc/input')
-rw-r--r--cc/input/input_handler.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/cc/input/input_handler.h b/cc/input/input_handler.h
index 987f7a6..e052a49 100644
--- a/cc/input/input_handler.h
+++ b/cc/input/input_handler.h
@@ -117,7 +117,7 @@ class CC_EXPORT InputHandler {
virtual void PinchGestureUpdate(float magnify_delta, gfx::Point anchor) = 0;
virtual void PinchGestureEnd() = 0;
- virtual void StartPageScaleAnimation(gfx::Vector2d target_offset,
+ virtual void StartPageScaleAnimation(const gfx::Vector2d& target_offset,
bool anchor_point,
float page_scale,
base::TimeDelta duration) = 0;