components: Introduce AlarmTimer class and use it for GCM heartbeat

google_apis/gcm/engine/mcs_client_unittest.cc

 // Copyright 2013 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 "google_apis/gcm/engine/mcs_client.h"
 
+#include "base/bind.h"
+#include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/files/scoped_temp_dir.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/test/simple_test_clock.h"
+#include "base/timer/timer.h"
 #include "google_apis/gcm/base/fake_encryptor.h"
 #include "google_apis/gcm/base/mcs_util.h"
 #include "google_apis/gcm/engine/fake_connection_factory.h"
 #include "google_apis/gcm/engine/fake_connection_handler.h"
 #include "google_apis/gcm/engine/gcm_store_impl.h"
 #include "google_apis/gcm/monitoring/fake_gcm_stats_recorder.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace gcm {
 
@@ skipping 40 matching lines @@
   return MCSMessage(kDataMessageStanzaTag, data_message);
 }
 
 // MCSClient with overriden exposed persistent id logic.
 class TestMCSClient : public MCSClient {
  public:
   TestMCSClient(base::Clock* clock,
                 ConnectionFactory* connection_factory,
                 GCMStore* gcm_store,
                 gcm::GCMStatsRecorder* recorder)
-    : MCSClient("", clock, connection_factory, gcm_store, recorder),
+    : MCSClient("", clock, connection_factory, gcm_store, recorder,
+                make_scoped_ptr(new base::Timer(true, false))),
       next_id_(0) {
   }
 
   std::string GetNextPersistentId() override {
     return base::UintToString(++next_id_);
   }
 
  private:
   uint32 next_id_;
 };
@@ skipping 777 matching lines @@
 
   LoginClient(std::vector<std::string>());
   GetFakeHandler()->ExpectOutgoingMessage(message);
   GetFakeHandler()->ExpectOutgoingMessage(message2);
   PumpLoop();
 }
 
 } // namespace
 
 }  // namespace gcm