Remove the fake title bar in onDestroy so that we will
not leak the window.

Fix http://b/issue?id=2198565
diff --git a/src/com/android/browser/BrowserActivity.java b/src/com/android/browser/BrowserActivity.java
index 1b3a93d..b2a1cbc 100644
--- a/src/com/android/browser/BrowserActivity.java
+++ b/src/com/android/browser/BrowserActivity.java
@@ -996,6 +996,9 @@
 
         if (mTabControl == null) return;
 
+        // Remove the fake title bar if it is there
+        hideFakeTitleBar();
+
         // Remove the current tab and sub window
         Tab t = mTabControl.getCurrentTab();
         if (t != null) {