Remove destruction-only TearDown() methods in Drive related test.

chrome/browser/chromeos/drive/job_scheduler_unittest.cc

Index: chrome/browser/chromeos/drive/job_scheduler_unittest.cc
diff --git a/chrome/browser/chromeos/drive/job_scheduler_unittest.cc b/chrome/browser/chromeos/drive/job_scheduler_unittest.cc
index 3103cb9de99e9ea29e41e9758cf8aa9b537bf451..21ab0f2d03f107eb3fd3a76fae6e9211e847cf8d 100644
--- a/chrome/browser/chromeos/drive/job_scheduler_unittest.cc
+++ b/chrome/browser/chromeos/drive/job_scheduler_unittest.cc
@@ -109,15 +109,6 @@ class JobSchedulerTest : public testing::Test {
     scheduler_->SetDisableThrottling(true);
   }
 
-  virtual void TearDown() OVERRIDE {
-    // The scheduler should be deleted before NetworkLibrary, as it
-    // registers itself as observer of NetworkLibrary.
-    scheduler_.reset();
-    base::RunLoop().RunUntilIdle();
-    fake_drive_service_.reset();
-    fake_network_change_notifier_.reset();
-  }
-
  protected:
   // Sets up FakeNetworkChangeNotifier as if it's connected to a network with
   // the specified connection type.