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

ui/gl/gl_version_info.h

 // Copyright 2014 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_VERSION_INFO_H_
 #define UI_GL_GL_VERSION_INFO_H_
 
 #include <set>
 #include <string>
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "ui/gl/gl_export.h"
 
-namespace gfx {
+namespace gl {
 
 struct GL_EXPORT GLVersionInfo {
   GLVersionInfo(const char* version_str, const char* renderer_str,
                 const char* extensions_str);
 
   GLVersionInfo(const char* version_str, const char* renderer_str,
                 const std::set<std::string>& exts);
 
   bool IsAtLeastGL(unsigned major, unsigned minor) const {
     return !is_es && (major_version > major ||
@@ skipping 40 matching lines @@
   bool is_es2;
   bool is_es3;
   bool is_desktop_core_profile;
 
  private:
   GLVersionInfo(const char* version_str, const char* renderer_str);
 
   DISALLOW_COPY_AND_ASSIGN(GLVersionInfo);
 };
 
-}  // namespace gfx
+}  // namespace gl
 
 #endif // UI_GL_GL_VERSION_INFO_H_