PaymentRequest: Rename ContactInfo to PayerInfo.

chrome/android/java/src/org/chromium/chrome/browser/payments/EditorBase.java

 // Copyright 2016 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.payments;
 
 import android.content.Context;
 
 import org.chromium.base.Callback;
 import org.chromium.chrome.browser.payments.ui.EditorView;
 import org.chromium.chrome.browser.payments.ui.PaymentOption;
 
 import javax.annotation.Nullable;
 
 /**
  * The base class for an editor controller.
  */
 abstract class EditorBase<T extends PaymentOption> {
     @Nullable protected EditorView mEditorView;
     @Nullable protected Context mContext;
 
     /**
-     * Sets the user interface to be used for editing contact information.
+     * Sets the user interface to be used for editing payer information.
      *
      * @param editorView The user interface to be used.
      */
     public void setEditorView(EditorView editorView) {
         assert editorView != null;
         mEditorView = editorView;
         mContext = mEditorView.getContext();
     }
 
     /**
      * Shows the user interface for editing the given information.
      *
      * @param toEdit   The information to edit. Can be null if the user is adding new information
      *                 instead of editing an existing one.
      * @param callback The callback to invoke with the complete and valid information. Can be
      *                 invoked with null if the user clicked Cancel.
      */
     protected void edit(@Nullable T toEdit, Callback<T> callback) {
         assert callback != null;
         assert mEditorView != null;
         assert mContext != null;
     }
 }