metrics: call LoginState::Shutdown() at end of unit tests

These need to balance out the calls to LoginState::Initialize().

BUG=chromium:379140
TEST=unit tests pass
Signed-off-by: Simon Que <sque@chromium.org>

Review URL: https://codereview.chromium.org/310493002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@274109 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/metrics/metrics_log_unittest.cc

@@ -123,6 +123,14 @@ class MetricsLogTest : public testing::Test {
 #endif  // defined(OS_CHROMEOS)
   }
 
+  virtual ~MetricsLogTest() {
+#if defined(OS_CHROMEOS)
+    // TODO(blundell): Remove this code once MetricsService no longer creates
+    // ChromeOSMetricsProvider.
+    chromeos::LoginState::Shutdown();
+#endif  // defined(OS_CHROMEOS)
+  }
+
  protected:
   // Check that the values in |system_values| correspond to the test data
   // defined at the top of this file.

chrome/browser/metrics/metrics_service_unittest.cc

@@ -81,6 +81,11 @@ class MetricsServiceTest : public testing::Test {
   virtual ~MetricsServiceTest() {
     MetricsService::SetExecutionPhase(MetricsService::UNINITIALIZED_PHASE,
                                       GetLocalState());
+#if defined(OS_CHROMEOS)
+    // TODO(blundell): Remove this code once MetricsService no longer creates
+    // ChromeOSMetricsProvider.
+    chromeos::LoginState::Shutdown();
+#endif  // defined(OS_CHROMEOS)
   }
 
   metrics::MetricsStateManager* GetMetricsStateManager() {