Add StoragePartition's ProtocolHandlers at URLRequestContext construction time.

content/public/browser/content_browser_client.cc

Index: content/public/browser/content_browser_client.cc
diff --git a/content/public/browser/content_browser_client.cc b/content/public/browser/content_browser_client.cc
index dcc127dd2f194b97402f287c460146cc66484a06..7aaf915b277b082eea3ae6144fdc6841ed589218 100644
--- a/content/public/browser/content_browser_client.cc
+++ b/content/public/browser/content_browser_client.cc
@@ -40,6 +40,31 @@ bool ContentBrowserClient::ShouldUseProcessPerSite(
   return false;
 }
 
+net::URLRequestContextGetter* ContentBrowserClient::CreateRequestContext(
+    BrowserContext* browser_context,
+    scoped_ptr<net::URLRequestJobFactory::ProtocolHandler>
+        blob_protocol_handler,
+    scoped_ptr<net::URLRequestJobFactory::ProtocolHandler>
+        file_system_protocol_handler,
+    scoped_ptr<net::URLRequestJobFactory::Interceptor>
+        developer_protocol_handler) {
+  return NULL;
+}
+
+net::URLRequestContextGetter*
+ContentBrowserClient::CreateRequestContextForStoragePartition(
+    BrowserContext* browser_context,
+    const FilePath& partition_path,
+    bool in_memory,
+    scoped_ptr<net::URLRequestJobFactory::ProtocolHandler>
+        blob_protocol_handler,
+    scoped_ptr<net::URLRequestJobFactory::ProtocolHandler>
+        file_system_protocol_handler,
+    scoped_ptr<net::URLRequestJobFactory::Interceptor>
+        developer_protocol_handler) {
+  return NULL;
+}
+
 bool ContentBrowserClient::IsHandledURL(const GURL& url) {
   return false;
 }