asset drop & naming

      drop in new assets
      get naming in sync with UX
      Note: not all resources are included yet
      item_background...xm will be enabled when all required resources come in

Change-Id: I321084abd25ef6c533f1f3da636a246e7ee00547
diff --git a/src/com/android/browser/BaseUi.java b/src/com/android/browser/BaseUi.java
index 98fc349..20652cf 100644
--- a/src/com/android/browser/BaseUi.java
+++ b/src/com/android/browser/BaseUi.java
@@ -99,7 +99,7 @@
         Resources res = mActivity.getResources();
         mInputManager = (InputMethodManager)
                 browser.getSystemService(Activity.INPUT_METHOD_SERVICE);
-        mSecLockIcon = res.getDrawable(R.drawable.ic_secure);
+        mSecLockIcon = res.getDrawable(R.drawable.ic_secure_holo_dark);
         mMixLockIcon = res.getDrawable(R.drawable.ic_partial_secure);
 
         FrameLayout frameLayout = (FrameLayout) mActivity.getWindow()
@@ -184,6 +184,7 @@
         setUrlTitle(tab);
         setFavicon(tab);
         updateLockIconToLatest(tab);
+        updateNavigationState(tab);
     }
 
     @Override
@@ -518,6 +519,9 @@
 
     // -------------------------------------------------------------------------
 
+    protected void updateNavigationState(Tab tab) {
+    }
+
     /**
      * Update the lock icon to correspond to our latest state.
      */