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

ui/gl/gl_bindings_autogen_osmesa.cc

 // 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.
 //
 // This file is auto-generated from
 // ui/gl/generate_bindings.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
 #include <string>
 
 #include "base/trace_event/trace_event.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_enums.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_osmesa_api_implementation.h"
 #include "ui/gl/gl_version_info.h"
 
-namespace gfx {
+namespace gl {
 
 static bool g_debugBindingsInitialized;
 DriverOSMESA g_driver_osmesa;
 
 void DriverOSMESA::InitializeStaticBindings() {
   fn.OSMesaColorClampFn = reinterpret_cast<OSMesaColorClampProc>(
       GetGLProcAddress("OSMesaColorClamp"));
   fn.OSMesaCreateContextFn = reinterpret_cast<OSMesaCreateContextProc>(
       GetGLProcAddress("OSMesaCreateContext"));
   fn.OSMesaCreateContextExtFn = reinterpret_cast<OSMesaCreateContextExtProc>(
@@ skipping 339 matching lines @@
                                               GLsizei height) {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu", "TraceGLAPI::OSMesaMakeCurrent")
   return osmesa_api_->OSMesaMakeCurrentFn(ctx, buffer, type, width, height);
 }
 
 void TraceOSMESAApi::OSMesaPixelStoreFn(GLint pname, GLint value) {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu", "TraceGLAPI::OSMesaPixelStore")
   osmesa_api_->OSMesaPixelStoreFn(pname, value);
 }
 
-}  // namespace gfx
+}  // namespace gl