| Index: ui/gl/gl_image_memory.h | 
| diff --git a/ui/gl/gl_image_memory.h b/ui/gl/gl_image_memory.h | 
| index befc3a8e2889268e36c7f5c1d4f7d4c6756e467c..73cc573ef9d52e6beac1d494c7cc9f05588bc3a6 100644 | 
| --- a/ui/gl/gl_image_memory.h | 
| +++ b/ui/gl/gl_image_memory.h | 
| @@ -37,7 +37,7 @@ class GL_EXPORT GLImageMemory : public GLImage { | 
| gfx::Size GetSize() override; | 
| bool BindTexImage(unsigned target) override; | 
| void ReleaseTexImage(unsigned target) override {} | 
| -  bool CopyTexImage(unsigned target) override; | 
| +  bool CopyTexSubImage(unsigned target, int xoffset, int yoffset) override; | 
| void WillUseTexImage() override; | 
| void DidUseTexImage() override; | 
| void WillModifyTexImage() override {} | 
|  |