Add WebContents source to methods in WebContentsDelegate

extensions/browser/guest_view/web_view/web_view_guest.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 EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 #define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 
 #include <vector>
 
 #include "base/observer_list.h"
@@ skipping 118 matching lines @@
       content::WebContents* source,
       const content::MediaStreamRequest& request,
       const content::MediaResponseCallback& callback) override;
   bool CheckMediaAccessPermission(content::WebContents* source,
                                   const GURL& security_origin,
                                   content::MediaStreamType type) override;
   void CanDownload(content::RenderViewHost* render_view_host,
                    const GURL& url,
                    const std::string& request_method,
                    const base::Callback<void(bool)>& callback) override;
-  content::JavaScriptDialogManager* GetJavaScriptDialogManager() override;
+  content::JavaScriptDialogManager* GetJavaScriptDialogManager(
+      content::WebContents* source) override;
   content::ColorChooser* OpenColorChooser(
       content::WebContents* web_contents,
       SkColor color,
       const std::vector<content::ColorSuggestion>& suggestions) override;
   void AddNewContents(content::WebContents* source,
                       content::WebContents* new_contents,
                       WindowOpenDisposition disposition,
                       const gfx::Rect& initial_pos,
                       bool user_gesture,
                       bool* was_blocked) override;
@@ skipping 211 matching lines @@
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<WebViewGuest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewGuest);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_