Follow-up fixes to changing namespace gfx to gl.

ui/gl/gl_surface_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.
 
 #include "ui/gl/gl_surface_glx.h"
 
 extern "C" {
 #include <X11/Xlib.h>
 }
 #include <memory>
@@ skipping 97 matching lines @@
       found = true;
       break;
     }
   }
   if (found) {
     return configs.get()[i];
   }
   return nullptr;
 }
 
-class OMLSyncControlVSyncProvider : public gl::SyncControlVSyncProvider {
+class OMLSyncControlVSyncProvider : public SyncControlVSyncProvider {
  public:
   explicit OMLSyncControlVSyncProvider(GLXWindow glx_window)
       : SyncControlVSyncProvider(),
         glx_window_(glx_window) {
   }
 
   ~OMLSyncControlVSyncProvider() override {}
 
  protected:
   bool GetSyncValues(int64_t* system_time,
@@ skipping 418 matching lines @@
 
 gfx::Size NativeViewGLSurfaceGLX::GetSize() {
   return size_;
 }
 
 void* NativeViewGLSurfaceGLX::GetHandle() {
   return reinterpret_cast<void*>(GetDrawableHandle());
 }
 
 bool NativeViewGLSurfaceGLX::SupportsPostSubBuffer() {
-  return gl::g_driver_glx.ext.b_GLX_MESA_copy_sub_buffer;
+  return g_driver_glx.ext.b_GLX_MESA_copy_sub_buffer;
 }
 
 void* NativeViewGLSurfaceGLX::GetConfig() {
   if (!config_)
     config_ = GetConfigForWindow(g_display, window_);
   return config_;
 }
 
 gfx::SwapResult NativeViewGLSurfaceGLX::PostSubBuffer(int x,
                                                       int y,
                                                       int width,
                                                       int height) {
-  DCHECK(gl::g_driver_glx.ext.b_GLX_MESA_copy_sub_buffer);
+  DCHECK(g_driver_glx.ext.b_GLX_MESA_copy_sub_buffer);
   glXCopySubBufferMESA(g_display, GetDrawableHandle(), x, y, width, height);
   return gfx::SwapResult::SWAP_ACK;
 }
 
 gfx::VSyncProvider* NativeViewGLSurfaceGLX::GetVSyncProvider() {
   return vsync_provider_.get();
 }
 
 NativeViewGLSurfaceGLX::~NativeViewGLSurfaceGLX() {
   Destroy();
@@ skipping 58 matching lines @@
   if (!config_)
     config_ = GetConfigForWindow(g_display, window_);
   return config_;
 }
 
 UnmappedNativeViewGLSurfaceGLX::~UnmappedNativeViewGLSurfaceGLX() {
   Destroy();
 }
 
 }  // namespace gl