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

ui/gl/gl_image_glx.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.
 
 extern "C" {
 #include <X11/Xlib.h>
 }
 
 #include <memory>
 
@@ skipping 90 matching lines @@
 }  // namespace
 
 GLImageGLX::GLImageGLX(const gfx::Size& size, unsigned internalformat)
     : glx_pixmap_(0), size_(size), internalformat_(internalformat) {}
 
 GLImageGLX::~GLImageGLX() {
   DCHECK_EQ(0u, glx_pixmap_);
 }
 
 bool GLImageGLX::Initialize(XID pixmap) {
-  if (!gfx::GLSurfaceGLX::IsTextureFromPixmapSupported()) {
+  if (!gl::GLSurfaceGLX::IsTextureFromPixmapSupported()) {
     DVLOG(0) << "GLX_EXT_texture_from_pixmap not supported.";
     return false;
   }
 
   if (!ValidFormat(internalformat_)) {
     DVLOG(0) << "Invalid format: " << internalformat_;
     return false;
   }
 
   DCHECK_EQ(PixmapDepth(internalformat_), ActualPixmapDepth(pixmap));
@@ skipping 80 matching lines @@
   return false;
 }
 
 void GLImageGLX::OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
                               uint64_t process_tracing_id,
                               const std::string& dump_name) {
   // TODO(ericrk): Implement GLImage OnMemoryDump. crbug.com/514914
 }
 
 }  // namespace gl