| Index: cc/layers/heads_up_display_layer.cc
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| diff --git a/cc/layers/heads_up_display_layer.cc b/cc/layers/heads_up_display_layer.cc
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| index ca63471e303d9a97271e2d280d2c4f6abbc5ea9e..92486cc851599a7b7a7b7bd7c4b3a741d4fd9dfa 100644
 | 
| --- a/cc/layers/heads_up_display_layer.cc
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| +++ b/cc/layers/heads_up_display_layer.cc
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| @@ -21,7 +21,7 @@
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|  HeadsUpDisplayLayer::~HeadsUpDisplayLayer() {}
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|  
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|  void HeadsUpDisplayLayer::PrepareForCalculateDrawProperties(
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| -    const gfx::Size& device_viewport, float device_scale_factor) {
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| +    gfx::Size device_viewport, float device_scale_factor) {
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|    gfx::Size device_viewport_in_layout_pixels = gfx::Size(
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|        device_viewport.width() / device_scale_factor,
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|        device_viewport.height() / device_scale_factor);
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| 
 |