Remove windows/mac/ios specific code from //ui

ui/gl/gl_wgl_api_implementation.cc

Index: ui/gl/gl_wgl_api_implementation.cc
diff --git a/ui/gl/gl_wgl_api_implementation.cc b/ui/gl/gl_wgl_api_implementation.cc
deleted file mode 100644
index 3b92d980b352903c6120792af7dc1c3288636008..0000000000000000000000000000000000000000
--- a/ui/gl/gl_wgl_api_implementation.cc
+++ /dev/null
@@ -1,74 +0,0 @@
-// 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_wgl_api_implementation.h"
-#include "ui/gl/gl_implementation.h"
-
-namespace gfx {
-
-RealWGLApi* g_real_wgl;
-
-void InitializeStaticGLBindingsWGL() {
-  g_driver_wgl.InitializeStaticBindings();
-  if (!g_real_wgl) {
-    g_real_wgl = new RealWGLApi();
-  }
-  g_real_wgl->Initialize(&g_driver_wgl);
-  g_current_wgl_context = g_real_wgl;
-}
-
-void InitializeDebugGLBindingsWGL() {
-  g_driver_wgl.InitializeDebugBindings();
-}
-
-void ClearGLBindingsWGL() {
-  if (g_real_wgl) {
-    delete g_real_wgl;
-    g_real_wgl = NULL;
-  }
-  g_current_wgl_context = NULL;
-  g_driver_wgl.ClearBindings();
-}
-
-WGLApi::WGLApi() {
-}
-
-WGLApi::~WGLApi() {
-}
-
-WGLApiBase::WGLApiBase()
-    : driver_(NULL) {
-}
-
-WGLApiBase::~WGLApiBase() {
-}
-
-void WGLApiBase::InitializeBase(DriverWGL* driver) {
-  driver_ = driver;
-}
-
-RealWGLApi::RealWGLApi() {
-}
-
-RealWGLApi::~RealWGLApi() {
-}
-
-void RealWGLApi::Initialize(DriverWGL* driver) {
-  InitializeBase(driver);
-}
-
-TraceWGLApi::~TraceWGLApi() {
-}
-
-bool GetGLWindowSystemBindingInfoWGL(GLWindowSystemBindingInfo* info) {
-  const char* extensions = wglGetExtensionsStringEXT();
-  *info = GLWindowSystemBindingInfo();
-  if (extensions)
-    info->extensions = extensions;
-  return true;
-}
-
-}  // namespace gfx
-
-