DO NOT MERGE Consider fixed layers when scrolling the edit box.

 Bug 6147580
 Webkit Change: I810891decf0bad682e90f29f0f65c6b765b7d6d6

Change-Id: Idaa538824e611acd64eb5a4ccb7866d3c978a077

Author: George Mount

core/java/android/webkit/WebViewClassic.java

@@ -5504,6 +5504,7 @@ private void scrollEditIntoView() {
         if (visibleRect.contains(mEditTextContentBounds)) {
             return; // no need to scroll
         }
+        nativeFindMaxVisibleRect(mNativeClass, mEditTextLayerId, visibleRect);
         syncSelectionCursors();
         final int buffer = Math.max(1, viewToContentDimension(EDIT_RECT_BUFFER));
         Rect showRect = new Rect(
@@ -8537,4 +8538,6 @@ private static native void nativeMapLayerRect(int instance, int layerId,
             Rect rect);
     // Returns 1 if a layer sync is needed, else 0
     private static native int nativeSetHwAccelerated(int instance, boolean hwAccelerated);
+    private static native void nativeFindMaxVisibleRect(int instance, int layerId,
+            Rect visibleContentRect);
 }