Have content cancel requests for ResourceContexts when they shutdown, instead of depending on the e…

content/browser/resource_context_impl.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 "content/browser/resource_context_impl.h"
 
 #include "base/logging.h"
 #include "content/browser/appcache/chrome_appcache_service.h"
 #include "content/browser/fileapi/browser_file_system_helper.h"
 #include "content/browser/fileapi/chrome_blob_storage_context.h"
 #include "content/browser/host_zoom_map_impl.h"
 #include "content/browser/in_process_webkit/indexed_db_context_impl.h"
 #include "content/browser/net/view_blob_internals_job_factory.h"
 #include "content/browser/net/view_http_cache_job_factory.h"
+#include "content/browser/renderer_host/resource_dispatcher_host_impl.h"
 #include "content/browser/renderer_host/resource_request_info_impl.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/url_constants.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "webkit/appcache/appcache_service.h"
 #include "webkit/appcache/view_appcache_internals_job.h"
 #include "webkit/blob/blob_data.h"
@@ skipping 133 matching lines @@
   // TODO(jam): Add the ProtocolHandlerRegistryIntercepter here!
 }
 
 }  // namespace
 
 AppCacheService* ResourceContext::GetAppCacheService(ResourceContext* context) {
   return UserDataAdapter<ChromeAppCacheService>::Get(
       context, kAppCacheServicKeyName);
 }
 
+ResourceContext::~ResourceContext() {
+  if (ResourceDispatcherHostImpl::Get())
+    ResourceDispatcherHostImpl::Get()->CancelRequestsForContext(this);
+}
+
 BlobStorageController* GetBlobStorageControllerForResourceContext(
     ResourceContext* resource_context) {
   return GetChromeBlobStorageContextForResourceContext(resource_context)->
       controller();
 }
 
 DatabaseTracker* GetDatabaseTrackerForResourceContext(
     ResourceContext* resource_context) {
   return UserDataAdapter<DatabaseTracker>::Get(
       resource_context, kDatabaseTrackerKeyName);
@@ skipping 67 matching lines @@
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&InitializeRequestContext,
                    resource_context,
                    make_scoped_refptr(
                        browser_context->GetRequestContextForMedia())));
   }
 }
 
 }  // namespace content