Make URLRequestContextAdapter initialization asynchronous

components/cronet/android/url_request_adapter.h

 // Copyright 2014 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 COMPONENTS_CRONET_ANDROID_URL_REQUEST_ADAPTER_H_
 #define COMPONENTS_CRONET_ANDROID_URL_REQUEST_ADAPTER_H_
 
 #include <jni.h>
 
 #include <string>
@@ skipping 99 matching lines @@
   unsigned char* Data() const;
 
   // Get NPN or ALPN Negotiated Protocol (if any) from HttpResponseInfo.
   std::string GetNegotiatedProtocol() const;
 
   virtual void OnResponseStarted(net::URLRequest* request) override;
 
   virtual void OnReadCompleted(net::URLRequest* request,
                                int bytes_read) override;
 
+  bool OnNetworkThread() const;
+
  private:
   static void OnDestroyRequest(URLRequestAdapter* self);
 
   void OnInitiateConnection();
   void OnCancelRequest();
   void OnRequestSucceeded();
   void OnRequestFailed();
   void OnRequestCompleted();
   void OnRequestCanceled();
   void OnBytesRead(int bytes_read);
@@ skipping 19 matching lines @@
   bool canceled_;
   int64 expected_size_;
   bool chunked_upload_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestAdapter);
 };
 
 }  // namespace cronet
 
 #endif  // COMPONENTS_CRONET_ANDROID_URL_REQUEST_ADAPTER_H_