| Index: cc/trees/layer_tree_host.cc
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| diff --git a/cc/trees/layer_tree_host.cc b/cc/trees/layer_tree_host.cc
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| index 2c17cacddcbdd00f172c948db14dd7d201a6e35c..0684a9c51ae441f1d4c560a8c9dd07ddc16bb780 100644
 | 
| --- a/cc/trees/layer_tree_host.cc
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| +++ b/cc/trees/layer_tree_host.cc
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| @@ -638,7 +638,7 @@
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|    SetNeedsCommit();
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|  }
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|  
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| -void LayerTreeHost::SetViewportSize(const gfx::Size& device_viewport_size) {
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| +void LayerTreeHost::SetViewportSize(gfx::Size device_viewport_size) {
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|    if (device_viewport_size == device_viewport_size_)
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|      return;
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|  
 | 
| 
 |