gpu: Add CHROMIUM_copy_image extension.

gpu/command_buffer/client/gles2_cmd_helper_autogen.h

Index: gpu/command_buffer/client/gles2_cmd_helper_autogen.h
diff --git a/gpu/command_buffer/client/gles2_cmd_helper_autogen.h b/gpu/command_buffer/client/gles2_cmd_helper_autogen.h
index 5f9dba914da740505df557ce2c93fa2bf2b7e31d..ad7ea2b35d77be341bbdcfcae2b16487cfec93c6 100644
--- a/gpu/command_buffer/client/gles2_cmd_helper_autogen.h
+++ b/gpu/command_buffer/client/gles2_cmd_helper_autogen.h
@@ -2651,6 +2651,24 @@ void ReleaseTexImage2DCHROMIUM(GLenum target, GLint imageId) {
   }
 }
 
+void 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) {
+  gles2::cmds::CopyImageSubDataCHROMIUM* c =
+      GetCmdSpace<gles2::cmds::CopyImageSubDataCHROMIUM>();
+  if (c) {
+    c->Init(source_image_id, dest_texture_id, xoffset, yoffset, x, y, width,
+            height, in_fence_id, out_fence_id);
+  }
+}
+
 void TraceBeginCHROMIUM(GLuint category_bucket_id, GLuint name_bucket_id) {
   gles2::cmds::TraceBeginCHROMIUM* c =
       GetCmdSpace<gles2::cmds::TraceBeginCHROMIUM>();