Create org.chromium.content_public.common and move two classes there.

chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ChromeContextMenuItemDelegate.java

 // Copyright 2013 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.contextmenu;
 
 import org.chromium.chrome.browser.Tab;
 import org.chromium.content.browser.ContentViewCore;
-import org.chromium.content_public.Referrer;
+import org.chromium.content_public.common.Referrer;
 
 /**
  * A delegate responsible for taking actions based on context menu selections.
  */
 public interface ChromeContextMenuItemDelegate {
     /**
      * @return Whether or not this context menu is being shown for an incognito
      *     {@link ContentViewCore}.
      */
     boolean isIncognito();
@@ skipping 59 matching lines @@
     /**
      * Called when a search by image should be performed in a new tab.
      */
     void onSearchByImageInNewTab();
 
    /**
     * @return page url.
     */
     String getPageUrl();
 }