Add StoragePartition's ProtocolHandlers at URLRequestContext construction time.

content/shell/shell_url_request_context_getter.cc

Index: content/shell/shell_url_request_context_getter.cc
diff --git a/content/shell/shell_url_request_context_getter.cc b/content/shell/shell_url_request_context_getter.cc
index 3c4cb1290fc86261bbc3b110c8646ba438a29609..fe78aa08e4343f37e9610b24324fb6c0020b8e2f 100644
--- a/content/shell/shell_url_request_context_getter.cc
+++ b/content/shell/shell_url_request_context_getter.cc
@@ -12,6 +12,7 @@
 #include "base/threading/worker_pool.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/content_switches.h"
+#include "content/public/common/url_constants.h"
 #include "content/shell/shell_network_delegate.h"
 #include "net/base/cert_verifier.h"
 #include "net/base/default_server_bound_cert_store.h"
@@ -36,11 +37,20 @@ ShellURLRequestContextGetter::ShellURLRequestContextGetter(
     bool ignore_certificate_errors,
     const FilePath& base_path,
     MessageLoop* io_loop,
-    MessageLoop* file_loop)
+    MessageLoop* file_loop,
+    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)
     : ignore_certificate_errors_(ignore_certificate_errors),
       base_path_(base_path),
       io_loop_(io_loop),
-      file_loop_(file_loop) {
+      file_loop_(file_loop),
+      blob_protocol_handler_(blob_protocol_handler.Pass()),
+      file_system_protocol_handler_(file_system_protocol_handler.Pass()),
+      developer_protocol_handler_(developer_protocol_handler.Pass()) {
   // Must first be created on the UI thread.
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
@@ -144,7 +154,14 @@ net::URLRequestContext* ShellURLRequestContextGetter::GetURLRequestContext() {
         network_session_params, main_backend);
     storage_->set_http_transaction_factory(main_cache);
 
-    storage_->set_job_factory(new net::URLRequestJobFactoryImpl);
+    scoped_ptr<net::URLRequestJobFactoryImpl> job_factory(
+        new net::URLRequestJobFactoryImpl());
+    job_factory->SetProtocolHandler(
+        chrome::kBlobScheme, blob_protocol_handler_.release());
+    job_factory->SetProtocolHandler(
+        chrome::kFileSystemScheme, file_system_protocol_handler_.release());
+    job_factory->AddInterceptor(developer_protocol_handler_.release());
+    storage_->set_job_factory(job_factory.release());
   }
 
   return url_request_context_.get();