ui + mus: Split ContextFactory into ContextFactory(Client) and ContextFactoryPrivate

ui/views/views_delegate.h

 // 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.
 
 #ifndef UI_VIEWS_VIEWS_DELEGATE_H_
 #define UI_VIEWS_VIEWS_DELEGATE_H_
 
 #include <string>
 
 #if defined(OS_WIN)
@@ skipping 158 matching lines @@
 
   // Returns true if the operating system's window manager will always provide a
   // title bar with caption buttons (ignoring the setting to
   // |remove_standard_frame| in InitParams). If |maximized|, this applies to
   // maximized windows; otherwise to restored windows.
   virtual bool WindowManagerProvidesTitleBar(bool maximized);
 
   // Returns the context factory for new windows.
   virtual ui::ContextFactory* GetContextFactory();
 
+  // Returns the privileged context factory for new windows.
+  virtual ui::ContextFactoryPrivate* GetContextFactoryPrivate();
+
   // Returns the user-visible name of the application.
   virtual std::string GetApplicationName();
 
 #if defined(OS_WIN)
   // Starts a query for the appbar autohide edges of the specified monitor and
   // returns the current value.  If the query finds the edges have changed from
   // the current value, |callback| is subsequently invoked.  If the edges have
   // not changed, |callback| is never run.
   //
   // The return value is a bitmask of AppbarAutohideEdge.
@@ skipping 27 matching lines @@
 #endif
 
   NativeWidgetFactory native_widget_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewsDelegate);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_VIEWS_DELEGATE_H_