Split ExtensionSystem interface from ExtensionSystemImpl implementation, part 1.

chrome/browser/ui/extensions/extension_enable_flow.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 "chrome/browser/ui/extensions/extension_enable_flow.h"
 
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/extension_system.h"
+#include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/extensions/extension_enable_flow_delegate.h"
 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
+#include "extensions/browser/extension_system.h"
 
 using extensions::Extension;
 
 ExtensionEnableFlow::ExtensionEnableFlow(Profile* profile,
                                          const std::string& extension_id,
                                          ExtensionEnableFlowDelegate* delegate)
     : profile_(profile),
       extension_id_(extension_id),
       delegate_(delegate),
       parent_contents_(NULL),
@@ skipping 148 matching lines @@
   delegate_->ExtensionEnableFlowAborted(user_initiated);
   // |delegate_| may delete us.
 }
 
 content::WebContents* ExtensionEnableFlow::OpenURL(
     const content::OpenURLParams& params) {
   chrome::ScopedTabbedBrowserDisplayer displayer(
       profile_, chrome::GetActiveDesktop());
   return displayer.browser()->OpenURL(params);
 }