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

chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.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 android.text.TextUtils;
 
 import org.chromium.base.CalledByNative;
 import org.chromium.base.JNINamespace;
-import org.chromium.content_public.Referrer;
+import org.chromium.content_public.common.Referrer;
 
 import java.util.ArrayList;
 
 /**
  * A list of parameters that explain what kind of context menu to show the user.  This data is
  * generated from content/public/common/context_menu_params.h.
  */
 @JNINamespace("ContextMenuParamsAndroid")
 public class ContextMenuParams {
     /** Must correspond to the MediaType enum in WebKit/chromium/public/WebContextMenuData.h */
@@ skipping 159 matching lines @@
                 null : new Referrer(sanitizedReferrer, referrerPolicy);
         return new ContextMenuParams(mediaType, linkUrl, linkText, unfilteredLinkUrl, srcUrl,
                 selectionText, isEditable, referrer);
     }
 
     @CalledByNative
     private void addCustomItem(String label, int action) {
         mCustomMenuItems.add(new CustomMenuItem(label, action));
     }
 }