Added a UI for the Interests Prototype.

chrome/android/java/src/org/chromium/chrome/browser/ntp/InterestsService.java

 // Copyright 2015 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.chrome.browser.ntp;
 
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.chrome.browser.profiles.Profile;
 
 /**
  * Retrieve the user's interests.
  */
 public class InterestsService {
+
     private long mNativeInterestsService;
 
     /**
      * A user's interest.
      */
     public static class Interest {
         private final String mName;
         private final String mImageUrl;
         private final double mRelevance;
 
@@ skipping 68 matching lines @@
     @CalledByNative
     private static Interest[] createInterestsArray(int size) {
         return new Interest[size];
     }
 
     private native long nativeInit(Profile profile);
     private native void nativeDestroy(long nativeInterestsService);
     private native void nativeGetInterests(
             long nativeInterestsService, GetInterestsCallback callback);
 }