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

chrome/test/base/view_event_test_platform_part.h

 // Copyright 2014 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 CHROME_TEST_BASE_VIEW_EVENT_TEST_PLATFORM_PART_H_
 #define CHROME_TEST_BASE_VIEW_EVENT_TEST_PLATFORM_PART_H_
 
 #include "base/macros.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace ui {
 class ContextFactory;
+class ContextFactoryPrivate;
 }
 
 // A helper class owned by tests that performs platform specific initialization.
 // ViewEventTestPlatformPart behaves a bit like views::ViewsTestHelper, but on
 // ChromeOS it will create an Ash shell environment, rather than using an
 // AuraTestHelper.
 class ViewEventTestPlatformPart {
  public:
   virtual ~ViewEventTestPlatformPart() {}
 
   // Set up the platform-specific environment. Teardown is performed in the
   // destructor.
-  static ViewEventTestPlatformPart* Create(ui::ContextFactory* context_factory);
+  static ViewEventTestPlatformPart* Create(
+      ui::ContextFactory* context_factory,
+      ui::ContextFactoryPrivate* context_factory_private);
 
   // The Widget context for creating the test window. This will be the Ash root
   // window on ChromeOS environments. Otherwise it should return NULL.
   virtual gfx::NativeWindow GetContext() = 0;
 
  protected:
   ViewEventTestPlatformPart() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ViewEventTestPlatformPart);
 };
 
 #endif  // CHROME_TEST_BASE_VIEW_EVENT_TEST_PLATFORM_PART_H_