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

content/browser/resource_context_impl.cc

Index: content/browser/resource_context_impl.cc
===================================================================
--- content/browser/resource_context_impl.cc	(revision 128565)
+++ content/browser/resource_context_impl.cc	(working copy)
@@ -12,6 +12,7 @@
 #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"
@@ -165,6 +166,11 @@
       context, kAppCacheServicKeyName);
 }
 
+ResourceContext::~ResourceContext() {
+  if (ResourceDispatcherHostImpl::Get())
+    ResourceDispatcherHostImpl::Get()->CancelRequestsForContext(this);
+}
+
 BlobStorageController* GetBlobStorageControllerForResourceContext(
     ResourceContext* resource_context) {
   return GetChromeBlobStorageContextForResourceContext(resource_context)->