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

content/renderer/render_view_impl.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 "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 2846 matching lines @@
     Send(new ViewHostMsg_DownloadUrl(routing_id_, request.url(), referrer,
                                      suggested_name));
   } else {
     OpenURL(frame, request.url(), referrer, policy);
   }
 }
 
 WebNavigationPolicy RenderViewImpl::decidePolicyForNavigation(
     WebFrame* frame, const WebURLRequest& request, WebNavigationType type,
     WebNavigationPolicy default_policy, bool is_redirect) {
-  if (request.url() != GURL(kSwappedOutURL) &&
+  // Webkit is asking whether to navigate to a new URL.
+  // This is fine normally, except if we're showing UI from one security
+  // context and they're trying to navigate to a different context.
+
+  const GURL& url = request.url();
+
+  if (url != GURL(kSwappedOutURL) &&
       GetContentClient()->renderer()->HandleNavigation(frame, request, type,
                                                        default_policy,
                                                        is_redirect)) {
     return WebKit::WebNavigationPolicyIgnore;
   }
 
   Referrer referrer(
       GURL(request.httpHeaderField(WebString::fromUTF8("Referer"))),
       GetReferrerPolicyFromRequest(frame, request));
 
   if (is_swapped_out_) {
-    if (request.url() != GURL(kSwappedOutURL)) {
+    if (url != GURL(kSwappedOutURL)) {
       // Targeted links may try to navigate a swapped out frame.  Allow the
       // browser process to navigate the tab instead.  Note that it is also
       // possible for non-targeted navigations (from this view) to arrive
       // here just after we are swapped out.  It's ok to send them to the
       // browser, as long as they're for the top level frame.
       // TODO(creis): Ensure this supports targeted form submissions when
       // fixing http://crbug.com/101395.
       if (frame->parent() == NULL) {
-        OpenURL(frame, request.url(), referrer, default_policy);
+        OpenURL(frame, url, referrer, default_policy);
         return WebKit::WebNavigationPolicyIgnore;  // Suppress the load here.
       }
 
       // We should otherwise ignore in-process iframe navigations, if they
       // arrive just after we are swapped out.
       return WebKit::WebNavigationPolicyIgnore;
     }
 
     // Allow kSwappedOutURL to complete.
     return default_policy;
   }
 
-  // Webkit is asking whether to navigate to a new URL.
-  // This is fine normally, except if we're showing UI from one security
-  // context and they're trying to navigate to a different context.
-  const GURL& url = request.url();
-
   // A content initiated navigation may have originated from a link-click,
   // script, drag-n-drop operation, etc.
   bool is_content_initiated =
       DocumentState::FromDataSource(frame->provisionalDataSource())->
           navigation_state()->is_content_initiated();
 
   // Experimental:
   // If --enable-strict-site-isolation or --site-per-process is enabled, send
   // all top-level navigations to the browser to let it swap processes when
   // crossing site boundaries.  This is currently expected to break some script
@@ skipping 3706 matching lines @@
     WebURL url = icon_urls[i].iconURL();
     if (!url.isEmpty())
       urls.push_back(FaviconURL(url,
                                 ToFaviconType(icon_urls[i].iconType())));
   }
   SendUpdateFaviconURL(urls);
 }
 
 
 }  // namespace content