chrome/android: Update toolbar drawing in native.

ui/android/java/src/org/chromium/ui/resources/ResourceFactory.java

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.ui.resources;
 
 import android.graphics.Rect;
 
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.ui.resources.statics.NinePatchData;
 
 /**
  * A utility class for creating native resources.
  */
 @JNINamespace("ui")
 public class ResourceFactory {
     public static long createBitmapResource(NinePatchData ninePatchData) {
         return ninePatchData == null ? nativeCreateBitmapResource()
                                      : createNinePatchBitmapResource(ninePatchData.getPadding(),
                                                ninePatchData.getAperture());
     }
 
-    // Make this private in https://codereview.chromium.org/2752693003/
-    public static long createNinePatchBitmapResource(Rect padding, Rect aperture) {
+    private static long createNinePatchBitmapResource(Rect padding, Rect aperture) {
         return nativeCreateNinePatchBitmapResource(padding.left, padding.top, padding.right,
                 padding.bottom, aperture.left, aperture.top, aperture.right, aperture.bottom);
     }
 
     private static native long nativeCreateBitmapResource();
     private static native long nativeCreateNinePatchBitmapResource(int paddingLeft, int paddingTop,
             int paddingRight, int paddingBottom, int apertureLeft, int apertureTop,
             int apertureRight, int apertureBottom);
 }