Add a new GetInstance() method for singleton classes, take 2.

gfx/gtk_native_view_id_manager.cc

 // Copyright (c) 2009 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 "gfx/gtk_native_view_id_manager.h"
 
 #include <gtk/gtk.h>
 #include <gdk/gdkx.h>
 
 #include "base/logging.h"
@@ skipping 23 matching lines @@
 
 // -----------------------------------------------------------------------------
 // Public functions...
 
 GtkNativeViewManager::GtkNativeViewManager() {
 }
 
 GtkNativeViewManager::~GtkNativeViewManager() {
 }
 
+// static
+GtkNativeViewManager* GtkNativeViewManager::GetInstance() {
+  return Singleton<GtkNativeViewManager>::get();
+}
+
 gfx::NativeViewId GtkNativeViewManager::GetIdForWidget(gfx::NativeView widget) {
   // This is just for unit tests:
   if (!widget)
     return 0;
 
   AutoLock locked(lock_);
 
   std::map<gfx::NativeView, gfx::NativeViewId>::const_iterator i =
     native_view_to_id_.find(widget);
 
@@ skipping 155 matching lines @@
 
     if (k != perm_xid_to_info_.end())
       k->second.widget = NULL;
   }
 
   native_view_to_id_.erase(i);
   id_to_info_.erase(j);
 }
 
 // -----------------------------------------------------------------------------