Chromecast: adds stability metrics provider to track crashes.

chromecast/metrics/cast_metrics_service_client_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 "chromecast/metrics/cast_metrics_service_client.h"
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/testing_pref_service.h"
 #include "components/metrics/metrics_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace chromecast {
 
 class CastMetricsTest : public testing::Test {
  public:
   CastMetricsTest() {}
   virtual ~CastMetricsTest() {}
 
  protected:
   virtual void SetUp() OVERRIDE {
     message_loop_.reset(new base::MessageLoop());
     prefs_.reset(new TestingPrefServiceSimple());
     ::metrics::MetricsService::RegisterPrefs(prefs_->registry());
   }
 
+  base::TaskRunner* task_runner() {
+    return message_loop_->task_runner().get();
+  }
   TestingPrefServiceSimple* prefs() { return prefs_.get(); }
 
  private:
   scoped_ptr<base::MessageLoop> message_loop_;
   scoped_ptr<TestingPrefServiceSimple> prefs_;
 
   DISALLOW_COPY_AND_ASSIGN(CastMetricsTest);
 };
 
 TEST_F(CastMetricsTest, CreateMetricsServiceClient) {
   // Create and expect this to not crash.
-  metrics::CastMetricsServiceClient::Create(prefs(), NULL);
+  metrics::CastMetricsServiceClient::Create(task_runner(), prefs(), NULL);
 }
 
 }  // namespace chromecast