Fix inval issue

 Bug: 6323847

Change-Id: Ibe9fc46af597cd97ae76339533faacfaa6d952fc

Author: jreck

core/java/android/webkit/WebViewClassic.java

@@ -2979,7 +2979,10 @@ private void recordNewContentSize(int w, int h, boolean updateLayout) {
             // updated when we get out of that mode.
             if (!mDrawHistory) {
                 // repin our scroll, taking into account the new content size
-                updateScrollCoordinates(pinLocX(getScrollX()), pinLocY(getScrollY()));
+                if (updateScrollCoordinates(pinLocX(getScrollX()),
+                        pinLocY(getScrollY()))) {
+                    invalidate();
+                }
                 if (!mScroller.isFinished()) {
                     // We are in the middle of a scroll.  Repin the final scroll
                     // position.