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

gpu/gles2_conform_support/egl/thread_state.cc

 // Copyright (c) 2016 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 "gpu/gles2_conform_support/egl/thread_state.h"
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/lazy_instance.h"
@@ skipping 39 matching lines @@
 #if defined(COMMAND_BUFFER_GLES_LIB_SUPPORT_ONLY)
 #if defined(COMPONENT_BUILD)
     if (!g_command_buffer_gles_has_atexit_manager)
       g_exit_manager = new base::AtExitManager;
 #else
     g_exit_manager = new base::AtExitManager;
 #endif
 #endif
     gles2::Initialize();
 
-    if (gfx::GetGLImplementation() == gfx::kGLImplementationNone) {
+    if (gl::GetGLImplementation() == gl::kGLImplementationNone) {
       base::CommandLine::StringVector argv;
       std::unique_ptr<base::Environment> env(base::Environment::Create());
       std::string env_string;
       env->GetVar("CHROME_COMMAND_BUFFER_GLES2_ARGS", &env_string);
 #if defined(OS_WIN)
       argv = base::SplitString(base::UTF8ToUTF16(env_string),
                                base::kWhitespaceUTF16, base::TRIM_WHITESPACE,
                                base::SPLIT_WANT_NONEMPTY);
       argv.insert(argv.begin(), base::UTF8ToUTF16("dummy"));
 #else
@@ skipping 119 matching lines @@
     Context::ApplyContextReleased();
   }
 }
 
 void ThreadState::AutoCurrentContextRestore::SetCurrent(Surface* surface,
                                                         Context* context) {
   thread_state_->SetCurrent(surface, context);
 }
 
 }  // namespace egl