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

ui/gl/gl_wgl_api_implementation.cc

 // 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.
 
 #include "ui/gl/gl_wgl_api_implementation.h"
 
 #include "base/command_line.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "ui/gl/gl_implementation.h"
 
-namespace gfx {
+namespace gl {
 
 RealWGLApi* g_real_wgl;
 
 void InitializeStaticGLBindingsWGL() {
   g_driver_wgl.InitializeStaticBindings();
   if (!g_real_wgl) {
     g_real_wgl = new RealWGLApi();
   }
   g_real_wgl->Initialize(&g_driver_wgl);
   g_current_wgl_context = g_real_wgl;
@@ skipping 92 matching lines @@
 }
 
 bool GetGLWindowSystemBindingInfoWGL(GLWindowSystemBindingInfo* info) {
   const char* extensions = wglGetExtensionsStringEXT();
   *info = GLWindowSystemBindingInfo();
   if (extensions)
     info->extensions = extensions;
   return true;
 }
 
-}  // namespace gfx
-
-
+}  // namespace gl