Instant: Use only one hidden WebContents per profile.

chrome/browser/rlz/rlz.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 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.
 //
 // This code glues the RLZ library DLL with Chrome. It allows Chrome to work
 // with or without the DLL being present. If the DLL is not present the
 // functions do nothing and just return false.
 
 #include "chrome/browser/rlz/rlz.h"
 
 #include <algorithm>
@@ skipping 255 matching lines @@
   if (CommandLine::ForCurrentProcess()->HasSwitch(::switches::kTestType))
     EnableZeroDelayForTesting();
 
   delay = std::min(kMaxInitDelay, std::max(min_init_delay_, delay));
 
   if (google_util::GetBrand(&brand_) && !IsBrandOrganic(brand_)) {
     // Register for notifications from the omnibox so that we can record when
     // the user performs a first search.
     registrar_.Add(this, chrome::NOTIFICATION_OMNIBOX_OPENED_URL,
                    content::NotificationService::AllSources());
-    // If instant is enabled we'll start searching as soon as the user starts
-    // typing in the omnibox (which triggers INSTANT_CONTROLLER_UPDATED).
-    registrar_.Add(this, chrome::NOTIFICATION_INSTANT_CONTROLLER_UPDATED,
+    // If Instant is enabled we'll start searching as soon as the user starts
+    // typing in the omnibox (which triggers INSTANT_UPDATED).
+    registrar_.Add(this, chrome::NOTIFICATION_INSTANT_UPDATED,
                    content::NotificationService::AllSources());
 
     // Register for notifications from navigations, to see if the user has used
     // the home page.
     registrar_.Add(this, content::NOTIFICATION_NAV_ENTRY_PENDING,
                    content::NotificationService::AllSources());
   }
   google_util::GetReactivationBrand(&reactivation_brand_);
 
   rlz_lib::SetURLRequestContext(g_browser_process->system_request_context());
@@ skipping 79 matching lines @@
                                    const string16& lang,
                                    const string16& referral) {
   return ::SendFinancialPing(brand, lang, referral);
 }
 
 void RLZTracker::Observe(int type,
                          const content::NotificationSource& source,
                          const content::NotificationDetails& details) {
   switch (type) {
     case chrome::NOTIFICATION_OMNIBOX_OPENED_URL:
-    case chrome::NOTIFICATION_INSTANT_CONTROLLER_UPDATED:
+    case chrome::NOTIFICATION_INSTANT_UPDATED:
       RecordFirstSearch(CHROME_OMNIBOX);
       registrar_.Remove(this, chrome::NOTIFICATION_OMNIBOX_OPENED_URL,
                         content::NotificationService::AllSources());
-      registrar_.Remove(this, chrome::NOTIFICATION_INSTANT_CONTROLLER_UPDATED,
+      registrar_.Remove(this, chrome::NOTIFICATION_INSTANT_UPDATED,
                         content::NotificationService::AllSources());
       break;
     case content::NOTIFICATION_NAV_ENTRY_PENDING: {
       const NavigationEntry* entry =
           content::Details<content::NavigationEntry>(details).ptr();
       if (entry != NULL &&
           ((entry->GetTransitionType() &
             content::PAGE_TRANSITION_HOME_PAGE) != 0)) {
         RecordFirstSearch(CHROME_HOME_PAGE);
         registrar_.Remove(this, content::NOTIFICATION_NAV_ENTRY_PENDING,
@@ skipping 173 matching lines @@
 // static
 void RLZTracker::CleanupRlz() {
   GetInstance()->rlz_cache_.clear();
   GetInstance()->registrar_.RemoveAll();
 }
 
 // static
 void RLZTracker::EnableZeroDelayForTesting() {
   GetInstance()->min_init_delay_ = base::TimeDelta();
 }