gpu: Add CHROMIUM_copy_image extension.

gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h

Index: gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h
diff --git a/gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h b/gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h
index af2efee4e0e1f89b33526cc3d4ada8b814c1002c..9016bd6483f1bb456115ad027bcb7615c8d4f98c 100644
--- a/gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h
+++ b/gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h
@@ -973,6 +973,16 @@ void GLES2InterfaceStub::BindTexImage2DCHROMIUM(GLenum /* target */,
                                                 GLint /* fenceId */) {}
 void GLES2InterfaceStub::ReleaseTexImage2DCHROMIUM(GLenum /* target */,
                                                    GLint /* imageId */) {}
+void GLES2InterfaceStub::CopyImageSubDataCHROMIUM(GLint /* source_image_id */,
+                                                  GLint /* dest_texture_id */,
+                                                  GLint /* xoffset */,
+                                                  GLint /* yoffset */,
+                                                  GLint /* x */,
+                                                  GLint /* y */,
+                                                  GLsizei /* width */,
+                                                  GLsizei /* height */,
+                                                  GLint /* in_fence_id */,
+                                                  GLint /* out_fence_id */) {}
 void GLES2InterfaceStub::TraceBeginCHROMIUM(const char* /* category_name */,
                                             const char* /* trace_name */) {}
 void GLES2InterfaceStub::TraceEndCHROMIUM() {}