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

ui/gl/gl_context_egl.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_context_egl.h"
 
 #include <memory>
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "third_party/khronos/EGL/egl.h"
 #include "third_party/khronos/EGL/eglext.h"
 #include "ui/gl/egl_util.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_surface_egl.h"
 
 #if defined(USE_X11)
 extern "C" {
 #include <X11/Xlib.h>
 }
 #endif
 
 using ui::GetLastEGLErrorString;
 
-namespace gfx {
+namespace gl {
 
 GLContextEGL::GLContextEGL(GLShareGroup* share_group)
     : GLContextReal(share_group),
       context_(nullptr),
       display_(nullptr),
       config_(nullptr),
       unbind_fbo_on_makecurrent_(false),
       swap_interval_(1) {
 }
 
@@ skipping 179 matching lines @@
 }
 
 bool GLContextEGL::WasAllocatedUsingRobustnessExtension() {
   return GLSurfaceEGL::IsCreateContextRobustnessSupported();
 }
 
 GLContextEGL::~GLContextEGL() {
   Destroy();
 }
 
-}  // namespace gfx
+}  // namespace gl