Introduce a secondary map for enabling plznavigate

android_webview/browser/aw_contents_io_thread_client.h

 // Copyright (c) 2012 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.
 
 #ifndef ANDROID_WEBVIEW_BROWSER_AW_CONTENTS_IO_THREAD_CLIENT_H_
 #define ANDROID_WEBVIEW_BROWSER_AW_CONTENTS_IO_THREAD_CLIENT_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 45 matching lines @@
   // This method is called on the IO thread only.
   virtual CacheMode GetCacheMode() const = 0;
 
   // This will attempt to fetch the AwContentsIoThreadClient for the given
   // |render_process_id|, |render_frame_id| pair.
   // This method can be called from any thread.
   // An empty scoped_ptr is a valid return value.
   static std::unique_ptr<AwContentsIoThreadClient> FromID(int render_process_id,
                                                           int render_frame_id);
 
+  static std::unique_ptr<AwContentsIoThreadClient> FromID(

[jam, 2017/03/09 22:13:05]

nit: document, i.e. so someone reading this knows why there are two methods

[sgurun-gerrit only, 2017/03/10 18:40:58]

Done.

+      int frame_tree_node_id);
+
   // Returns the global thread client for service worker related callbacks.
   // An empty scoped_ptr is a valid return value.
   static std::unique_ptr<AwContentsIoThreadClient>
   GetServiceWorkerIoThreadClient();
 
   // Called on the IO thread when a subframe is created.
   static void SubFrameCreated(int render_process_id,
                               int parent_render_frame_id,
                               int child_render_frame_id);
 
@@ skipping 16 matching lines @@
   // This method is called on the IO thread only.
   virtual bool ShouldBlockNetworkLoads() const = 0;
 
   // Retrieve the AcceptThirdPartyCookies setting value of this AwContents.
   virtual bool ShouldAcceptThirdPartyCookies() const = 0;
 };
 
 } // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_AW_CONTENTS_IO_THREAD_CLIENT_H_