Fix the build when disable_file_support is set to 1

content/shell/browser/shell_url_request_context_getter.cc

Index: content/shell/browser/shell_url_request_context_getter.cc
diff --git a/content/shell/browser/shell_url_request_context_getter.cc b/content/shell/browser/shell_url_request_context_getter.cc
index 9d01a4340ff1cee8578b8d321a9e293996b1c6d6..46e6928cd55a7ceada64281af34a3a6f8689c146 100644
--- a/content/shell/browser/shell_url_request_context_getter.cc
+++ b/content/shell/browser/shell_url_request_context_getter.cc
@@ -210,12 +210,14 @@ net::URLRequestContext* ShellURLRequestContextGetter::GetURLRequestContext() {
     bool set_protocol = job_factory->SetProtocolHandler(
         url::kDataScheme, new net::DataProtocolHandler);
     DCHECK(set_protocol);
+#if !defined(DISABLE_FILE_SUPPORT)
     set_protocol = job_factory->SetProtocolHandler(
         url::kFileScheme,
         new net::FileProtocolHandler(
             BrowserThread::GetBlockingPool()->GetTaskRunnerWithShutdownBehavior(
                 base::SequencedWorkerPool::SKIP_ON_SHUTDOWN)));
     DCHECK(set_protocol);
+#endif
 
     // Set up interceptors in the reverse order.
     scoped_ptr<net::URLRequestJobFactory> top_job_factory =