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

ui/gl/gl_surface_mac.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_surface.h"
 
 #include <OpenGL/CGLRenderers.h>
 
 #include <memory>
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/trace_event/trace_event.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_export.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_surface_osmesa.h"
 #include "ui/gl/gl_surface_stub.h"
 #include "ui/gl/gpu_switching_manager.h"
 
-namespace gfx {
+namespace gl {
 namespace {
 
 // A "no-op" surface. It is not required that a CGLContextObj have an
 // associated drawable (pbuffer or fullscreen context) in order to be
 // made current. Everywhere this surface type is used, we allocate an
 // FBO at the user level as the drawable of the associated context.
 class GL_EXPORT NoOpGLSurface : public GLSurface {
  public:
   explicit NoOpGLSurface(const gfx::Size& size) : size_(size) {}
 
@@ skipping 123 matching lines @@
       return surface;
     }
     case kGLImplementationMockGL:
       return new GLSurfaceStub;
     default:
       NOTREACHED();
       return NULL;
   }
 }
 
-}  // namespace gfx
+}  // namespace gl