Add StoragePartition's ProtocolHandlers at URLRequestContext construction time.

content/public/browser/content_browser_client.h

Index: content/public/browser/content_browser_client.h
diff --git a/content/public/browser/content_browser_client.h b/content/public/browser/content_browser_client.h
index 68ca0ae087be337260351cd1a23874935fddeb1a..3550f2b8622b047d1d87da72a90b8513d5bff4cf 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -10,12 +10,14 @@
 #include <vector>
 
 #include "base/callback_forward.h"
+#include "base/memory/scoped_ptr.h"
 #include "content/public/browser/file_descriptor_info.h"
 #include "content/public/common/socket_permission_request.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/window_container_type.h"
 #include "net/base/mime_util.h"
 #include "net/cookies/canonical_cookie.h"
+#include "net/url_request/url_request_job_factory.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebNotificationPresenter.h"
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
@@ -47,6 +49,7 @@ class SSLCertRequestInfo;
 class SSLInfo;
 class URLRequest;
 class URLRequestContext;
+class URLRequestContextGetter;
 class X509Certificate;
 }
 
@@ -131,6 +134,32 @@ class CONTENT_EXPORT ContentBrowserClient {
   virtual bool ShouldUseProcessPerSite(BrowserContext* browser_context,
                                        const GURL& effective_url);
 
+  // Creates the main net::URLRequestContextGetter. Should only be called once
+  // per ContentBrowserClient object.
+  // TODO(ajwong): Remove once http://crbug.com/159193 is resolved.
+  virtual net::URLRequestContextGetter* 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);
+
+  // Creates the net::URLRequestContextGetter for a StoragePartition. Should
+  // only be called once per partition_path per ContentBrowserClient object.
+  // TODO(ajwong): Remove once http://crbug.com/159193 is resolved.
+  virtual net::URLRequestContextGetter* 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);
+
   // Returns whether a specified URL is handled by the embedder's internal
   // protocol handlers.
   virtual bool IsHandledURL(const GURL& url);