[CacheStorage] Add metrics to the scheduler

content/browser/cache_storage/cache_storage_scheduler_unittest.cc

 // Copyright 2015 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 "content/browser/cache_storage/cache_storage_scheduler.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/run_loop.h"
 #include "content/public/test/test_browser_thread_bundle.h"
@@ skipping 17 matching lines @@
   CacheStorageScheduler* scheduler_;
   int callback_count_;
 };
 
 }  // namespace
 
 class CacheStorageSchedulerTest : public testing::Test {
  protected:
   CacheStorageSchedulerTest()
       : browser_thread_bundle_(TestBrowserThreadBundle::IO_MAINLOOP),
+        scheduler_(CacheStorageSchedulerClient::CLIENT_STORAGE),
         task1_(TestTask(&scheduler_)),
         task2_(TestTask(&scheduler_)) {}
 
   TestBrowserThreadBundle browser_thread_bundle_;
   CacheStorageScheduler scheduler_;
   TestTask task1_;
   TestTask task2_;
 };
 
 TEST_F(CacheStorageSchedulerTest, ScheduleOne) {
@@ skipping 24 matching lines @@
       base::Bind(&TestTask::Run, base::Unretained(&task1_)));
   EXPECT_TRUE(scheduler_.ScheduledOperations());
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(1, task1_.callback_count());
   EXPECT_TRUE(scheduler_.ScheduledOperations());
   task1_.Done();
   EXPECT_FALSE(scheduler_.ScheduledOperations());
 }
 
 }  // namespace content