Plumb the referrer throughout the OpenURL APIs....

chrome/browser/dom_ui/new_tab_ui.cc

Index: chrome/browser/dom_ui/new_tab_ui.cc
===================================================================
--- chrome/browser/dom_ui/new_tab_ui.cc	(revision 3991)
+++ chrome/browser/dom_ui/new_tab_ui.cc	(working copy)
@@ -455,7 +455,7 @@
 
   // Load the URL.
   if (!url.empty()) {
-    dom_ui_host_->OpenURL(GURL(WideToUTF8(url)), CURRENT_TAB,
+    dom_ui_host_->OpenURL(GURL(WideToUTF8(url)), GURL(), CURRENT_TAB,
                           PageTransition::LINK);
   }
 }
@@ -669,7 +669,7 @@
 void HistoryHandler::HandleShowHistoryPage(const Value*) {
   NavigationController* controller = dom_ui_host_->controller();
   if (controller)
-    controller->LoadURL(HistoryTabUI::GetURL(), PageTransition::LINK);
+    controller->LoadURL(HistoryTabUI::GetURL(), GURL(), PageTransition::LINK);
 }
 
 void HistoryHandler::HandleSearchHistoryPage(const Value* content) {
@@ -685,6 +685,7 @@
         NavigationController* controller = dom_ui_host_->controller();
         controller->LoadURL(
             HistoryTabUI::GetHistoryURLWithSearchText(wstring_value),
+            GURL(),
             PageTransition::LINK);
       }
     }
@@ -803,13 +804,14 @@
 }
 
 void NewTabUIContents::RequestOpenURL(const GURL& url,
+                                      const GURL& /*referrer*/,
                                       WindowOpenDisposition disposition) {
   // The user opened a URL on the page (including "open in new window").
   // We count all such clicks as AUTO_BOOKMARK, which increments the site's
   // visit count (which is used for ranking the most visited entries).
   // Note this means we're including clicks on not only most visited thumbnails,
   // but also clicks on recently bookmarked.
-  OpenURL(url, disposition, PageTransition::AUTO_BOOKMARK);
+  OpenURL(url, GURL(), disposition, PageTransition::AUTO_BOOKMARK);
 
   // Figure out if this was a click on a MostVisited entry, and log it if so.
   if (most_visited_handler_) {