contacts: Defer updates when offline.

chrome/browser/chromeos/gdata/gdata_contacts_service_stub.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/gdata/gdata_contacts_service_stub.h"
 
 #include "chrome/browser/chromeos/contacts/contact.pb.h"
 #include "chrome/browser/chromeos/contacts/contact_test_util.h"
 #include "chrome/browser/chromeos/gdata/gdata_util.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
 
 namespace gdata {
 
 GDataContactsServiceStub::GDataContactsServiceStub()
-    : download_should_succeed_(true) {
+    : num_download_requests_(0),
+      download_should_succeed_(true) {
 }
 
 GDataContactsServiceStub::~GDataContactsServiceStub() {
 }
 
 void GDataContactsServiceStub::SetContacts(
     const contacts::ContactPointers& contacts,
     const base::Time& expected_min_update_time) {
   contacts::test::CopyContacts(contacts, &contacts_);
   expected_min_update_time_ = expected_min_update_time;
 }
 
 void GDataContactsServiceStub::Initialize() {
 }
 
 void GDataContactsServiceStub::DownloadContacts(
     SuccessCallback success_callback,
     FailureCallback failure_callback,
     const base::Time& min_update_time) {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  num_download_requests_++;
 
   if (!download_should_succeed_) {
     failure_callback.Run();
     return;
   }
 
   if (min_update_time != expected_min_update_time_) {
     LOG(ERROR) << "Actual minimum update time ("
                << util::FormatTimeAsString(min_update_time) << ") "
                << "differed from expected ("
                << util::FormatTimeAsString(expected_min_update_time_)
                << "); not returning any contacts";
     failure_callback.Run();
     return;
   }
 
   scoped_ptr<ScopedVector<contacts::Contact> > contacts(
       new ScopedVector<contacts::Contact>());
   contacts::test::CopyContacts(contacts_, contacts.get());
   success_callback.Run(contacts.Pass());
 }
 
 }  // namespace contacts