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

ui/gl/gl_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_implementation.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <string>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "build/build_config.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_gl_api_implementation.h"
 #include "ui/gl/gl_version_info.h"
 
-namespace gfx {
+namespace gl {
 
 namespace {
 
 const struct {
   const char* name;
   GLImplementation implementation;
 } kGLImplementationNamePairs[] = {
   { kGLImplementationDesktopName, kGLImplementationDesktopGL },
   { kGLImplementationOSMesaName, kGLImplementationOSMesaGL },
 #if defined(OS_MACOSX)
@@ skipping 165 matching lines @@
     exts.push_back(extension);
   }
   return base::JoinString(exts, " ");
 }
 
 bool WillUseGLGetStringForExtensions() {
   const char* version_str =
       reinterpret_cast<const char*>(glGetString(GL_VERSION));
   unsigned major_version, minor_version;
   bool is_es, is_es2, is_es3;
-  gfx::GLVersionInfo::ParseVersionString(
-      version_str, &major_version, &minor_version,
-      &is_es, &is_es2, &is_es3);
+  gl::GLVersionInfo::ParseVersionString(
+      version_str, &major_version, &minor_version, &is_es, &is_es2, &is_es3);
   return is_es || major_version < 3;
 }
 
 base::NativeLibrary LoadLibraryAndPrintError(
     const base::FilePath::CharType* filename) {
   return LoadLibraryAndPrintError(base::FilePath(filename));
 }
 
 base::NativeLibrary LoadLibraryAndPrintError(const base::FilePath& filename) {
   base::NativeLibraryLoadError error;
   base::NativeLibrary library = base::LoadNativeLibrary(filename, &error);
   if (!library) {
     LOG(ERROR) << "Failed to load " << filename.MaybeAsASCII() << ": "
                << error.ToString();
     return NULL;
   }
   return library;
 }
 
-}  // namespace gfx
+}  // namespace gl