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

chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java b/chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java
index 86ca04257cea3b02fae2f8c5346b046ea88b9aa0..995a0e5e7850767ae1a8428deac2087b5caa54db 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java
@@ -77,8 +77,6 @@
 
     private boolean mSigninAllowedByPolicy;
 
-    private boolean mSignOutInProgress;
-
     /**
      * A SignInStateObserver is notified when the user signs in to or out of Chrome.
      */
@@ -518,7 +516,6 @@
      * @param wipeDataHooks Hooks to call during data wiping in case the account is managed.
      */
     public void signOut(Runnable callback, WipeDataHooks wipeDataHooks) {
-        mSignOutInProgress = true;
         mSignOutCallback = callback;
 
         boolean wipeData = getManagementDomain() != null;
@@ -590,15 +587,7 @@
         onSignOutDone();
     }
 
-    @CalledByNative
-    private void onNativeSignOut() {
-        if (!mSignOutInProgress) {
-            signOut();
-        }
-    }
-
     private void onSignOutDone() {
-        mSignOutInProgress = false;
         if (mSignOutCallback != null) {
             new Handler().post(mSignOutCallback);
             mSignOutCallback = null;