Fix include path for moved thread_task_runner_handle.h header in google_apis/

google_apis/gcm/engine/heartbeat_manager_unittest.cc

 // Copyright 2014 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/heartbeat_manager.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/ptr_util.h"
 #include "base/test/test_simple_task_runner.h"
-#include "base/thread_task_runner_handle.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "google_apis/gcm/protocol/mcs.pb.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace gcm {
 
 namespace {
 
 mcs_proto::HeartbeatConfig BuildHeartbeatConfig(int interval_ms) {
@@ skipping 284 matching lines @@
   heartbeat = manager()->GetNextHeartbeatTime();
   EXPECT_GT(heartbeat - base::TimeTicks::Now(),
             base::TimeDelta::FromMilliseconds(kDefaultAckIntervalMs));
   EXPECT_LE(heartbeat - base::TimeTicks::Now(),
             base::TimeDelta::FromMilliseconds(kCustomIntervalMs));
 }
 
 }  // namespace
 
 }  // namespace gcm