Add a flag showing whether the current request was ignored by a handler

chrome/browser/extensions/api/web_navigation/web_navigation_api.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.
 
 // Defines the Chrome Extensions WebNavigation API functions for observing and
 // intercepting navigation events, as specified in the extension JSON API.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_WEB_NAVIGATION_WEB_NAVIGATION_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_WEB_NAVIGATION_WEB_NAVIGATION_API_H_
 
@@ skipping 42 matching lines @@
       const GURL& validated_url,
       bool is_error_page,
       bool is_iframe_srcdoc) override;
   void DidCommitProvisionalLoadForFrame(
       content::RenderFrameHost* render_frame_host,
       const GURL& url,
       ui::PageTransition transition_type) override;
   void DidFailProvisionalLoad(content::RenderFrameHost* render_frame_host,
                               const GURL& validated_url,
                               int error_code,
-                              const base::string16& error_description) override;
+                              const base::string16& error_description,
+                              bool was_ignored_by_handler) override;
   void DocumentLoadedInFrame(
       content::RenderFrameHost* render_frame_host) override;
   void DidFinishLoad(content::RenderFrameHost* render_frame_host,
                      const GURL& validated_url) override;
   void DidFailLoad(content::RenderFrameHost* render_frame_host,
                    const GURL& validated_url,
                    int error_code,
-                   const base::string16& error_description) override;
+                   const base::string16& error_description,
+                   bool was_ignored_by_handler) override;
   void DidGetRedirectForResourceRequest(
       content::RenderFrameHost* render_frame_host,
       const content::ResourceRedirectDetails& details) override;
   void DidOpenRequestedURL(content::WebContents* new_contents,
                            content::RenderFrameHost* source_render_frame_host,
                            const GURL& url,
                            const content::Referrer& referrer,
                            WindowOpenDisposition disposition,
                            ui::PageTransition transition) override;
   void WebContentsDestroyed() override;
@@ skipping 134 matching lines @@
 
   // Created lazily upon OnListenerAdded.
   scoped_ptr<WebNavigationEventRouter> web_navigation_event_router_;
 
   DISALLOW_COPY_AND_ASSIGN(WebNavigationAPI);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_WEB_NAVIGATION_WEB_NAVIGATION_API_H_