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

ui/views/widget/desktop_aura/x11_topmost_window_finder_interactive_uitest.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.
 
 #include "ui/views/widget/desktop_aura/x11_topmost_window_finder.h"
 
 #include <X11/Xlib.h>
 #include <X11/Xregion.h>
 #include <X11/extensions/shape.h>
 #include <stddef.h>
@@ skipping 176 matching lines @@
       int screen_y,
       aura::Window* ignore_window) {
     std::set<aura::Window*> ignore;
     ignore.insert(ignore_window);
     X11TopmostWindowFinder finder;
     return finder.FindLocalProcessWindowAt(gfx::Point(screen_x, screen_y),
                                            ignore);
   }
 
   static void SetUpTestCase() {
-    gfx::GLSurfaceTestSupport::InitializeOneOff();
+    gl::GLSurfaceTestSupport::InitializeOneOff();
     ui::RegisterPathProvider();
     base::FilePath ui_test_pak_path;
     ASSERT_TRUE(PathService::Get(ui::UI_TEST_PAK, &ui_test_pak_path));
     ui::ResourceBundle::InitSharedInstanceWithPakPath(ui_test_pak_path);
   }
 
   // ViewsTestBase:
   void SetUp() override {
     ViewsTestBase::SetUp();
 
@@ skipping 225 matching lines @@
 
   EXPECT_EQ(xid, FindTopmostXWindowAt(110, 110));
   EXPECT_EQ(menu_xid, FindTopmostXWindowAt(150, 120));
   EXPECT_EQ(menu_xid, FindTopmostXWindowAt(210, 120));
 
   XDestroyWindow(xdisplay(), xid);
   XDestroyWindow(xdisplay(), menu_xid);
 }
 
 }  // namespace views