[Android WebView] Call shouldInterceptRequest on a background thread

android_webview/browser/net/aw_web_resource_response.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 ANDROID_WEBVIEW_BROWSER_INTERCEPTED_REQUEST_DATA_H_
-#define ANDROID_WEBVIEW_BROWSER_INTERCEPTED_REQUEST_DATA_H_
+#ifndef ANDROID_WEBVIEW_BROWSER_NET_AW_WEB_RESOURCE_RESPONSE_H_
+#define ANDROID_WEBVIEW_BROWSER_NET_AW_WEB_RESOURCE_RESPONSE_H_
 
 #include <string>
 
 #include "base/android/jni_android.h"
 #include "base/memory/scoped_ptr.h"
 
 namespace net {
 class HttpResponseHeaders;
 class NetworkDelegate;
 class URLRequest;
-class URLRequestJob;
 }
 
 namespace android_webview {
 
+class AndroidStreamReaderURLRequestJob;

[boliu, 2015/09/30 00:43:20]

not needed I think

[mnaganov (inactive), 2015/09/30 18:05:30]

Done.

 class InputStream;
 
 // This class represents the Java-side data that is to be used to complete a
 // particular URLRequest.
 class AwWebResourceResponse {
  public:
   virtual ~AwWebResourceResponse() {}
 
   virtual scoped_ptr<InputStream> GetInputStream(JNIEnv* env) const = 0;
   virtual bool GetMimeType(JNIEnv* env, std::string* mime_type) const = 0;
   virtual bool GetCharset(JNIEnv* env, std::string* charset) const = 0;
   virtual bool GetStatusInfo(JNIEnv* env,
                              int* status_code,
                              std::string* reason_phrase) const = 0;
   // If true is returned then |headers| contain the headers, if false is
   // returned |headers| were not updated.
   virtual bool GetResponseHeaders(
       JNIEnv* env,
       net::HttpResponseHeaders* headers) const = 0;
 
-  // This creates a URLRequestJob for the |request| wich will read data from
-  // the |aw_web_resource_response| structure (instead of going to the network
-  // or to the cache).
-  // The newly created job takes ownership of |aw_web_resource_response|.
-  static net::URLRequestJob* CreateJobFor(
-      scoped_ptr<AwWebResourceResponse> aw_web_resource_response,
-      net::URLRequest* request,
-      net::NetworkDelegate* network_delegate);
-
  protected:
   AwWebResourceResponse() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AwWebResourceResponse);
 };
 
 } // namespace android_webview
 
-#endif  // ANDROID_WEBVIEW_BROWSER_INTERCEPTED_REQUEST_DATA_H_
+#endif  // ANDROID_WEBVIEW_BROWSER_NET_AW_WEB_RESOURCE_RESPONSE_H_