contacts: Add ContactManagerInterface::GetWeakPtr().

chrome/browser/chromeos/contacts/contact_manager_stub.cc

Index: chrome/browser/chromeos/contacts/contact_manager_stub.cc
diff --git a/chrome/browser/chromeos/contacts/contact_manager_stub.cc b/chrome/browser/chromeos/contacts/contact_manager_stub.cc
index fd5a86bfb153816321bfae5d3c33ec6d3fd20e70..822e2d8913ccd65b8646fac07deb7b58e0badd0b 100644
--- a/chrome/browser/chromeos/contacts/contact_manager_stub.cc
+++ b/chrome/browser/chromeos/contacts/contact_manager_stub.cc
@@ -16,7 +16,10 @@ using content::BrowserThread;
 
 namespace contacts {
 
-ContactManagerStub::ContactManagerStub(Profile* profile) : profile_(profile) {}
+ContactManagerStub::ContactManagerStub(Profile* profile)
+    : profile_(profile),
+      ALLOW_THIS_IN_INITIALIZER_LIST(weak_ptr_factory_(this)) {
+}
 
 ContactManagerStub::~ContactManagerStub() {}
 
@@ -30,6 +33,11 @@ void ContactManagerStub::SetContacts(const ContactPointers& contacts) {
   test::CopyContacts(contacts, &contacts_);
 }
 
+base::WeakPtr<ContactManagerInterface> ContactManagerStub::GetWeakPtr() {
+  CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  return weak_ptr_factory_.GetWeakPtr();
+}
+
 void ContactManagerStub::AddObserver(ContactManagerObserver* observer,
                                      Profile* profile) {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));