Plumbs URLRequestContext and CacheBlobStorageContext down to cache.

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index b8d98cdeaedd7aa30b3df3262d83f7a1b8589e09..5d0ee879b98e766271d7d2c14bc093f3b0cb73c1 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -147,6 +147,7 @@
 #include "ui/gfx/switches.h"
 #include "ui/gl/gl_switches.h"
 #include "ui/native_theme/native_theme_switches.h"
+#include "webkit/browser/blob/blob_storage_context.h"
 #include "webkit/browser/fileapi/sandbox_file_system_backend.h"
 
 #if defined(OS_ANDROID)
@@ -849,7 +850,9 @@ void RenderProcessHostImpl::CreateMessageFilters() {
   scoped_refptr<ServiceWorkerDispatcherHost> service_worker_filter =
       new ServiceWorkerDispatcherHost(GetID(), message_port_message_filter_);
   service_worker_filter->Init(
-      storage_partition_impl_->GetServiceWorkerContext());
+      storage_partition_impl_->GetServiceWorkerContext(),
+      storage_partition_impl_->GetURLRequestContext()->GetURLRequestContext(),

[michaeln, 2014/08/13 00:11:28]

don't think you can access the unwrapped instance here since we're on the UI
thread

[jkarlin, 2014/08/13 00:34:40]

Done.

+      ChromeBlobStorageContext::GetFor(browser_context));
   AddFilter(service_worker_filter);
 
   AddFilter(new SharedWorkerMessageFilter(