Move code in ui/gl/* from gfx:: to gl::

ui/gl/gl_mock.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file implements mock GL Interface for unit testing. The interface
 // corresponds to the set of functionally distinct GL functions defined in
 // generate_bindings.py, which may originate from either desktop GL or GLES.
 
 #ifndef UI_GL_GL_MOCK_H_
 #define UI_GL_GL_MOCK_H_
 
 #include "testing/gmock/include/gmock/gmock.h"
 #include "ui/gl/gl_bindings.h"
 
-namespace gfx {
+namespace gl {
 
 class MockGLInterface {
  public:
   MockGLInterface();
   virtual ~MockGLInterface();
 
   // Set the functions called from the mock GL implementation for the purposes
   // of testing.
   static void SetGLInterface(MockGLInterface* gl_interface);
 
@@ skipping 45 matching lines @@
   static MockGLInterface* interface_;
 
   // Static mock functions that invoke the member functions of interface_.
   #include "gl_bindings_autogen_mock.h"
 
   static void GL_BINDING_CALL Mock_glTexSubImage3DNoData(
       GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
       GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type);
 };
 
-}  // namespace gfx
+}  // namespace gl
 
 #endif  // UI_GL_GL_MOCK_H_