Introduce a secondary map for enabling plznavigate

android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.cc

 // 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.
 
 #include "android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.h"
 
 #include <memory>
 #include <string>
 
 #include "android_webview/browser/aw_browser_context.h"
@@ skipping 144 matching lines @@
 
 const char* IoThreadClientThrottle::GetNameForLogging() const {
   return "IoThreadClientThrottle";
 }
 
 std::unique_ptr<AwContentsIoThreadClient>
 IoThreadClientThrottle::GetIoThreadClient() const {
   if (content::ResourceRequestInfo::OriginatedFromServiceWorker(request_))
     return AwContentsIoThreadClient::GetServiceWorkerIoThreadClient();
 
+  if (render_process_id_ == -1 || render_frame_id_ == -1) {
+    const content::ResourceRequestInfo* resourceRequestInfo =
+        content::ResourceRequestInfo::ForRequest(request_);
+    if (resourceRequestInfo == nullptr) {
+      return nullptr;
+    }
+    return AwContentsIoThreadClient::FromID(
+        resourceRequestInfo->GetFrameTreeNodeId());
+  }
+
   return AwContentsIoThreadClient::FromID(render_process_id_, render_frame_id_);
 }
 
 void IoThreadClientThrottle::WillStartRequest(bool* defer) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   // valid render_frame_id_ implies nonzero render_processs_id_
   DCHECK((render_frame_id_ < 1) || (render_process_id_ != 0));
   *defer = false;
 
   // Defer all requests of a pop up that is still not associated with Java
@@ skipping 317 matching lines @@
       net::HttpRequestHeaders headers;
       headers.AddHeadersFromString(extra_headers);
       for (net::HttpRequestHeaders::Iterator it(headers); it.GetNext(); ) {
         request->SetExtraRequestHeaderByName(it.name(), it.value(), false);
       }
     }
   }
 }
 
 }  // namespace android_webview