Replace the GURL referrer field of OpenURLParams with a content::Referrer

content/browser/tab_contents/tab_contents.cc

 // Copyright (c) 2011 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/browser/tab_contents/tab_contents.h"
 
 #include <cmath>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 558 matching lines @@
       !render_view_host()->SuddenTerminationAllowed();
 }
 
 // TODO(adriansc): Remove this method once refactoring changed all call sites.
 TabContents* TabContents::OpenURL(const GURL& url,
                                   const GURL& referrer,
                                   WindowOpenDisposition disposition,
                                   content::PageTransition transition) {
   // For specifying a referrer, use the version of OpenURL taking OpenURLParams.
   DCHECK(referrer.is_empty());
-  return OpenURL(OpenURLParams(url, referrer, disposition, transition,
-                               false));
+  return OpenURL(OpenURLParams(url, content::Referrer(), disposition,
+                               transition, false));
 }
 
 TabContents* TabContents::OpenURL(const OpenURLParams& params) {
   if (delegate_) {
     TabContents* new_contents = delegate_->OpenURLFromTab(this, params);
     // Notify observers.
     FOR_EACH_OBSERVER(TabContentsObserver, observers_,
                       DidOpenURL(params.url, params.referrer,
                                  params.disposition, params.transition));
     return new_contents;
@@ skipping 1169 matching lines @@
     //
     // Note also that we hide the referrer for Web UI pages. We don't really
     // want web sites to see a referrer of "chrome://blah" (and some
     // chrome: URLs might have search terms or other stuff we don't want to
     // send to the site), so we send no referrer.
     new_contents = OpenURL(url, GURL(), disposition,
             render_manager_.web_ui()->link_transition_type());
     transition_type = render_manager_.web_ui()->link_transition_type();
   } else {
     new_contents = OpenURL(OpenURLParams(
-        url, referrer.url, disposition, content::PAGE_TRANSITION_LINK,
+        url, referrer, disposition, content::PAGE_TRANSITION_LINK,
         true /* is_renderer_initiated */));
   }
   if (new_contents) {
     // Notify observers.
     FOR_EACH_OBSERVER(TabContentsObserver, observers_,
                       DidOpenRequestedURL(new_contents,
                                           url,
-                                          referrer.url,
+                                          referrer,
                                           disposition,
                                           transition_type,
                                           source_frame_id));
   }
 }
 
 void TabContents::RunJavaScriptMessage(
     const RenderViewHost* rvh,
     const string16& message,
     const string16& default_prompt,
@@ skipping 270 matching lines @@
   RenderWidgetHostView* rwh_view = view()->CreateViewForWidget(rvh);
   // Can be NULL during tests.
   if (rwh_view)
     rwh_view->SetSize(view()->GetContainerSize());
 }
 
 bool TabContents::GotResponseToLockMouseRequest(bool allowed) {
   return render_view_host() ?
       render_view_host()->GotResponseToLockMouseRequest(allowed) : false;
 }