[sync] Sign user out of Chrome on dashboard stop and reset

chrome/android/sync_shell/javatests/src/org/chromium/chrome/browser/sync/SyncTest.java

Index: chrome/android/sync_shell/javatests/src/org/chromium/chrome/browser/sync/SyncTest.java
diff --git a/chrome/android/sync_shell/javatests/src/org/chromium/chrome/browser/sync/SyncTest.java b/chrome/android/sync_shell/javatests/src/org/chromium/chrome/browser/sync/SyncTest.java
index 60316efe96da2db2f42ff256435ff4f525f5cf7b..efebe05e6c98d61091d689db0b99bfa2d6b00d5e 100644
--- a/chrome/android/sync_shell/javatests/src/org/chromium/chrome/browser/sync/SyncTest.java
+++ b/chrome/android/sync_shell/javatests/src/org/chromium/chrome/browser/sync/SyncTest.java
@@ -18,6 +18,7 @@ import org.chromium.chrome.browser.ChromeActivity;
 import org.chromium.chrome.browser.signin.AccountIdProvider;
 import org.chromium.chrome.browser.signin.AccountTrackerService;
 import org.chromium.chrome.browser.signin.SigninHelper;
+import org.chromium.chrome.browser.signin.SigninManager;
 import org.chromium.chrome.test.util.browser.signin.MockChangeEventChecker;
 import org.chromium.chrome.test.util.browser.signin.SigninTestUtil;
 import org.chromium.chrome.test.util.browser.sync.SyncTestUtil;
@@ -63,6 +64,34 @@ public class SyncTest extends SyncTestBase {
         SyncTestUtil.verifySyncIsActiveForAccount(mContext, account);
     }
 
+    @LargeTest
+    @Feature({"Sync"})
+    public void testStopAndClear() throws InterruptedException {
+        Account account = setUpTestAccountAndSignInToSync();
+        CriteriaHelper.pollUiThread(
+                new Criteria("Timed out checking that isSignedInOnNative() == true") {
+                    @Override
+                    public boolean isSatisfied() {
+                        return SigninManager.get(mContext).isSignedInOnNative();
+                    }
+                },
+                SyncTestUtil.TIMEOUT_MS, SyncTestUtil.INTERVAL_MS);
+
+        clearServerData();
+
+        // Clearing server data should turn off sync and sign out of chrome.
+        SyncTestUtil.verifySyncIsSignedOut(mContext);
+        assertFalse(ChromeSigninController.get(mContext).isSignedIn());
+        CriteriaHelper.pollUiThread(
+                new Criteria("Timed out checking that isSignedInOnNative() == false") {
+                    @Override
+                    public boolean isSatisfied() {
+                        return !SigninManager.get(mContext).isSignedInOnNative();
+                    }
+                },
+                SyncTestUtil.TIMEOUT_MS, SyncTestUtil.INTERVAL_MS);
+    }
+
     /*
      * @FlakyTest
      * @LargeTest