Add command buffer support for GL_RGB CHROMIUM image emulation.

ui/gl/gl_image.cc

Index: ui/gl/gl_image.cc
diff --git a/tools/clang/rewrite_to_chrome_style/tests/gen/thing.h b/ui/gl/gl_image.cc
similarity index 59%
copy from tools/clang/rewrite_to_chrome_style/tests/gen/thing.h
copy to ui/gl/gl_image.cc
index 900b65c4cc4d0a285729491e4d03ed6f3a52b0f3..b74aa83280aac15363d7da4828b83e84bbe6667c 100644
--- a/tools/clang/rewrite_to_chrome_style/tests/gen/thing.h
+++ b/ui/gl/gl_image.cc
@@ -2,10 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-namespace blink {
-void genThing();
+#include "ui/gl/gl_image.h"
 
-class GenClass {
-  virtual void genMethod() {}
-};
+namespace gl {
+
+bool GLImage::EmulatingRGB() const {
+  return false;
 }
+
+}  // namespace gl