When the user navigates to the home page, make sure to set the RLZ string

content/browser/tab_contents/navigation_controller.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/navigation_controller.h"
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/time.h"
@@ skipping 203 matching lines @@
   }
 }
 
 bool NavigationController::IsInitialNavigation() {
   return last_document_loaded_.is_null();
 }
 
 // static
 NavigationEntry* NavigationController::CreateNavigationEntry(
     const GURL& url, const GURL& referrer, PageTransition::Type transition,
+    const std::string& extra_headers,
     content::BrowserContext* browser_context) {
   // Allow the browser URL handler to rewrite the URL. This will, for example,
   // remove "view-source:" from the beginning of the URL to get the URL that
   // will actually be loaded. This real URL won't be shown to the user, just
   // used internally.
   GURL loaded_url(url);
   bool reverse_on_redirect = false;
   BrowserURLHandler::GetInstance()->RewriteURLIfNecessary(
       &loaded_url, browser_context, &reverse_on_redirect);
 
   NavigationEntry* entry = new NavigationEntry(
       NULL,  // The site instance for tabs is sent on navigation
              // (TabContents::GetSiteInstance).
       -1,
       loaded_url,
       referrer,
       string16(),
       transition);
   entry->set_virtual_url(url);
   entry->set_user_typed_url(url);
   entry->set_update_virtual_url_with_url(reverse_on_redirect);
+  entry->set_extra_headers(extra_headers);
   return entry;
 }
 
 NavigationEntry* NavigationController::GetEntryWithPageID(
     SiteInstance* instance, int32 page_id) const {
   int index = GetEntryIndexWithPageID(instance, page_id);
   return (index != -1) ? entries_[index].get() : NULL;
 }
 
 void NavigationController::LoadEntry(NavigationEntry* entry) {
@@ skipping 11 matching lines @@
   }
 
   // When navigating to a new page, we don't know for sure if we will actually
   // end up leaving the current page.  The new page load could for example
   // result in a download or a 'no content' response (e.g., a mailto: URL).
   DiscardNonCommittedEntriesInternal();
   pending_entry_ = entry;
   NotificationService::current()->Notify(
       content::NOTIFICATION_NAV_ENTRY_PENDING,
       Source<NavigationController>(this),
-      NotificationService::NoDetails());
+      Details<NavigationEntry>(entry));
   NavigateToPendingEntry(NO_RELOAD);
 }
 
 NavigationEntry* NavigationController::GetActiveEntry() const {
   if (transient_entry_index_ != -1)
     return entries_[transient_entry_index_].get();
   if (pending_entry_)
     return pending_entry_;
   return GetLastCommittedEntry();
 }
@@ skipping 189 matching lines @@
   if (last_committed_entry_index_ != -1)
     index = last_committed_entry_index_ + 1;
   DiscardTransientEntry();
   entries_.insert(entries_.begin() + index, linked_ptr<NavigationEntry>(entry));
   transient_entry_index_ = index;
   tab_contents_->NotifyNavigationStateChanged(kInvalidateAll);
 }
 
 void NavigationController::LoadURL(const GURL& url, const GURL& referrer,
                                    PageTransition::Type transition) {
+  LoadURLWithHeaders(url, referrer, transition, std::string());
+}
+
+// TODO(rogerta): Remove this call and put the extra_headers argument directly
+// in LoadURL().
+void NavigationController::LoadURLWithHeaders(
+    const GURL& url,
+    const GURL& referrer,
+    PageTransition::Type transition,
+    const std::string& extra_headers) {
   // The user initiated a load, we don't need to reload anymore.
   needs_reload_ = false;
 
   NavigationEntry* entry = CreateNavigationEntry(url, referrer, transition,
+                                                 extra_headers,
                                                  browser_context_);
 
   LoadEntry(entry);
 }
 
 void NavigationController::DocumentLoadedInFrame() {
   last_document_loaded_ = base::TimeTicks::Now();
 }
 
 bool NavigationController::RendererDidNavigate(
@@ skipping 699 matching lines @@
   size_t insert_index = 0;
   for (int i = 0; i < max_index; i++) {
     // When cloning a tab, copy all entries except interstitial pages
     if (source.entries_[i].get()->page_type() != INTERSTITIAL_PAGE) {
       entries_.insert(entries_.begin() + insert_index++,
                       linked_ptr<NavigationEntry>(
                           new NavigationEntry(*source.entries_[i])));
     }
   }
 }