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

ui/gl/gl_gl_api_implementation.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.
 
 #ifndef UI_GL_GL_GL_API_IMPLEMENTATION_H_
 #define UI_GL_GL_GL_API_IMPLEMENTATION_H_
 
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_export.h"
 
 namespace base {
 class CommandLine;
 }
 namespace gpu {
 namespace gles2 {
 class GLES2Decoder;
 }
 }
-namespace gfx {
+namespace gl {
 
 class GLContext;
 class GLSurface;
 struct GLVersionInfo;
 
 void InitializeStaticGLBindingsGL();
 void InitializeDynamicGLBindingsGL(GLContext* context);
 void InitializeDebugGLBindingsGL();
 void InitializeNullDrawGLBindingsGL();
 // TODO(danakj): Remove this when all test suites are using null-draw.
@@ skipping 103 matching lines @@
   GLContext* real_context_;
 
   // The current virtual context.
   GLContext* current_context_;
 
   // The supported extensions being advertised for this virtual context.
   std::string extensions_;
   std::vector<std::string> extensions_vec_;
 };
 
-}  // namespace gfx
+}  // namespace gl
 
 #endif  // UI_GL_GL_GL_API_IMPLEMENTATION_H_