Split IsArcPlayStoreEnabled() and ArcSessionManager's enabled concepts.

chrome/browser/chromeos/note_taking_helper_unittest.cc

Index: chrome/browser/chromeos/note_taking_helper_unittest.cc
diff --git a/chrome/browser/chromeos/note_taking_helper_unittest.cc b/chrome/browser/chromeos/note_taking_helper_unittest.cc
index d6d12b1fcd80878b5d2e072685e1c4c1e5c2baae..86480d71ab6d4e1fae98277b9253af8c5e01146a 100644
--- a/chrome/browser/chromeos/note_taking_helper_unittest.cc
+++ b/chrome/browser/chromeos/note_taking_helper_unittest.cc
@@ -644,15 +644,15 @@ TEST_F(NoteTakingHelperTest, NotifyObserverAboutAndroidApps) {
   EXPECT_EQ(2, observer.num_updates());
   profile()->GetPrefs()->SetBoolean(prefs::kArcEnabled, true);
   EXPECT_EQ(3, observer.num_updates());
+  // Run ARC data removing operation.
   base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(4, observer.num_updates());

[hidehiko, 2017/02/15 14:17:00]

Note: I removed OnArcPlayStoreEnabledChanged() invocation from re-enable case,
because it should be already called immediately (in this test case, it is
counted at L646).

 
   // Update intent filters and check that the observer is notified again after
   // apps are received.
   helper()->OnIntentFiltersUpdated();
-  EXPECT_EQ(4, observer.num_updates());
+  EXPECT_EQ(3, observer.num_updates());
   base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(5, observer.num_updates());
+  EXPECT_EQ(4, observer.num_updates());
 }
 
 TEST_F(NoteTakingHelperTest, NotifyObserverAboutChromeApps) {