Give URLRequestJobFactory::Interceptors the ability to specify protocols they handle.

net/url_request/url_request_job_factory.cc

 // Copyright (c) 2011 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 "net/url_request/url_request_job_factory.h"
 
 #include "base/stl_util-inl.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/load_flags.h"
 #include "net/url_request/url_request_job_manager.h"
@@ skipping 60 matching lines @@
     URLRequest* request) const {
   DCHECK(CalledOnValidThread());
   ProtocolHandlerMap::const_iterator it = protocol_handler_map_.find(scheme);
   if (it == protocol_handler_map_.end())
     return NULL;
   return it->second->MaybeCreateJob(request);
 }
 
 bool URLRequestJobFactory::IsHandledProtocol(const std::string& scheme) const {
   DCHECK(CalledOnValidThread());
+  InterceptorList::const_iterator i;
+  for (i = interceptors_.begin(); i != interceptors_.end(); ++i) {
+    if ((*i)->WillHandleProtocol(scheme))
+      return true;
+  }
   return ContainsKey(protocol_handler_map_, scheme) ||
       URLRequestJobManager::GetInstance()->SupportsScheme(scheme);
 }
 
 bool URLRequestJobFactory::IsHandledURL(const GURL& url) const {
   if (!url.is_valid()) {
     // We handle error cases.
     return true;
   }
   return IsHandledProtocol(url.scheme());
 }
 
 }  // namespace net