contacts: Add ContactManagerInterface::GetWeakPtr().

chrome/browser/chromeos/contacts/contact_manager.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 "chrome/browser/chromeos/contacts/contact_manager.h"
 
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/contacts/contact.pb.h"
 #include "chrome/browser/chromeos/contacts/contact_manager_observer.h"
@@ skipping 19 matching lines @@
 // static
 ContactManager* ContactManager::GetInstance() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(g_instance);
   return g_instance;
 }
 
 ContactManager::ContactManager()
     : profile_observers_deleter_(&profile_observers_),
       contact_store_factory_(new GoogleContactStoreFactory),
-      contact_stores_deleter_(&contact_stores_) {
+      contact_stores_deleter_(&contact_stores_),
+      ALLOW_THIS_IN_INITIALIZER_LIST(weak_ptr_factory_(this)) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!g_instance);
   g_instance = this;
 }
 
 ContactManager::~ContactManager() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK_EQ(g_instance, this);
+  weak_ptr_factory_.InvalidateWeakPtrs();
   g_instance = NULL;
   for (ContactStoreMap::const_iterator it = contact_stores_.begin();
        it != contact_stores_.end(); ++it) {
     it->second->RemoveObserver(this);
   }
 }
 
 void ContactManager::SetContactStoreForTesting(
     scoped_ptr<ContactStoreFactory> factory) {
   DCHECK(contact_stores_.empty());
@@ skipping 11 matching lines @@
       chrome::NOTIFICATION_PROFILE_DESTROYED,
       content::NotificationService::AllSources());
 
   // Notify about any already-existing profiles.
   std::vector<Profile*> profiles(
       g_browser_process->profile_manager()->GetLoadedProfiles());
   for (size_t i = 0; i < profiles.size(); ++i)
     HandleProfileCreated(profiles[i]);
 }
 
+base::WeakPtr<ContactManagerInterface> ContactManager::GetWeakPtr() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  return weak_ptr_factory_.GetWeakPtr();
+}
+
 void ContactManager::AddObserver(ContactManagerObserver* observer,
                                  Profile* profile) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(observer);
   DCHECK(profile);
   Observers* observers = GetObserversForProfile(profile, true);
   observers->AddObserver(observer);
 }
 
 void ContactManager::RemoveObserver(ContactManagerObserver* observer,
@@ skipping 110 matching lines @@
   }
 
   ProfileObserversMap::iterator observer_it = profile_observers_.find(profile);
   if (observer_it != profile_observers_.end()) {
     delete observer_it->second;
     profile_observers_.erase(observer_it);
   }
 }
 
 }  // namespace contacts