Bug 806142 - Only hide password characters if the text editor is (still) a password editor. r=ehsan

editor/libeditor/text/nsTextEditRules.cpp

@@ -1227,8 +1227,13 @@ nsTextEditRules::RemoveIMETextFromPWBuf(int32_t &aStart, nsAString *aIMEString)
   mPasswordIMEText.Assign(*aIMEString);
 }
 
-NS_IMETHODIMP nsTextEditRules::Notify(class nsITimer *) {
-  nsresult res = HideLastPWInput();
+NS_IMETHODIMP nsTextEditRules::Notify(nsITimer *)
+{
+  MOZ_ASSERT(mTimer);
+
+  // Check whether our text editor's password flag was changed before this
+  // "hide password character" timer actually fires.
+  nsresult res = IsPasswordEditor() ? HideLastPWInput() : NS_OK;
   ASSERT_PASSWORD_LENGTHS_EQUAL();
   mLastLength = 0;
   return res;