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

ui/ozone/demo/gl_renderer.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_OZONE_DEMO_GL_RENDERER_H_
 #define UI_OZONE_DEMO_GL_RENDERER_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "ui/gfx/swap_result.h"
 #include "ui/ozone/demo/renderer_base.h"
 
-namespace gfx {
+namespace gl {
 class GLContext;
 class GLSurface;
-}  // namespace gfx
+}  // namespace gl
 
 namespace ui {
 
 class GlRenderer : public RendererBase {
  public:
   GlRenderer(gfx::AcceleratedWidget widget,
-             const scoped_refptr<gfx::GLSurface>& surface,
+             const scoped_refptr<gl::GLSurface>& surface,
              const gfx::Size& size);
   ~GlRenderer() override;
 
   // Renderer:
   bool Initialize() override;
 
  protected:
   virtual void RenderFrame();
   virtual void PostRenderFrameTask(gfx::SwapResult result);
 
-  scoped_refptr<gfx::GLSurface> surface_;
-  scoped_refptr<gfx::GLContext> context_;
+  scoped_refptr<gl::GLSurface> surface_;
+  scoped_refptr<gl::GLContext> context_;
 
  private:
   base::WeakPtrFactory<GlRenderer> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GlRenderer);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_DEMO_GL_RENDERER_H_