Implementation of the "Redirect URLs to Packaged Apps" feature.

chrome/browser/ui/browser_navigator.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/browser_navigator.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
@@ skipping 440 matching lines @@
 void Navigate(NavigateParams* params) {
   Browser* source_browser = params->browser;
   if (source_browser)
     params->initiating_profile = source_browser->profile();
   DCHECK(params->initiating_profile);
 
   if (!AdjustNavigateParamsForURL(params))
     return;
 
   ExtensionService* service = params->initiating_profile->GetExtensionService();
-  if (service)
+  if (service) {
+    // TODO(sergeygs): Shouldn't we return from here if this returns true?
     service->ShouldBlockUrlInBrowserTab(&params->url);
 
+    if (service->MaybeRedirectUrlToApp(params->url, params->referrer.url))
+      return;
+  }
+
   // The browser window may want to adjust the disposition.
   if (params->disposition == NEW_POPUP &&
       source_browser &&
       source_browser->window()) {
     params->disposition =
         source_browser->window()->GetDispositionForPopupBounds(
             params->window_bounds);
   }
 
   params->browser = GetBrowserForDisposition(params);
@@ skipping 183 matching lines @@
   bool reverse_on_redirect = false;
   content::BrowserURLHandler::GetInstance()->RewriteURLIfNecessary(
       &rewritten_url, browser_context, &reverse_on_redirect);
 
   // Some URLs are mapped to uber subpages. Do not allow them in incognito.
   return !(rewritten_url.scheme() == chrome::kChromeUIScheme &&
            rewritten_url.host() == chrome::kChromeUIUberHost);
 }
 
 }  // namespace chrome