Deduplicating CanReadRequestBody code.

content/browser/loader/resource_dispatcher_host_impl.cc

Index: content/browser/loader/resource_dispatcher_host_impl.cc
diff --git a/content/browser/loader/resource_dispatcher_host_impl.cc b/content/browser/loader/resource_dispatcher_host_impl.cc
index e9178424ff40acb438828b73b743ab27da641473..debe8fd4a56fbe28662867761d2c722feebf2153 100644
--- a/content/browser/loader/resource_dispatcher_host_impl.cc
+++ b/content/browser/loader/resource_dispatcher_host_impl.cc
@@ -64,6 +64,7 @@
 #include "content/browser/loader/upload_data_stream_builder.h"
 #include "content/browser/loader/wake_lock_resource_throttle.h"
 #include "content/browser/resource_context_impl.h"
+#include "content/browser/resource_request_body_browser_utils.h"
 #include "content/browser/service_worker/foreign_fetch_request_handler.h"
 #include "content/browser/service_worker/link_header_support.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
@@ -2633,30 +2634,12 @@ bool ResourceDispatcherHostImpl::ShouldServiceRequest(
   }
 
   // Check if the renderer is permitted to upload the requested files.
-  if (request_data.request_body.get()) {
-    const std::vector<ResourceRequestBodyImpl::Element>* uploads =
-        request_data.request_body->elements();
-    std::vector<ResourceRequestBodyImpl::Element>::const_iterator iter;
-    for (iter = uploads->begin(); iter != uploads->end(); ++iter) {
-      if (iter->type() == ResourceRequestBodyImpl::Element::TYPE_FILE &&
-          !policy->CanReadFile(child_id, iter->path())) {
-        NOTREACHED() << "Denied unauthorized upload of "
-                     << iter->path().value();
-        return false;
-      }
-      if (iter->type() ==
-          ResourceRequestBodyImpl::Element::TYPE_FILE_FILESYSTEM) {
-        storage::FileSystemURL url =
-            requester_info->file_system_context()->CrackURL(
-                iter->filesystem_url());
-        if (!policy->CanReadFileSystemFile(child_id, url)) {
-          NOTREACHED() << "Denied unauthorized upload of "
-                       << iter->filesystem_url().spec();
-          return false;
-        }
-      }
-    }
+  if (!CanReadRequestBody(child_id, requester_info->file_system_context(),
+                          request_data.request_body)) {
+    NOTREACHED() << "Denied unauthorized upload";
+    return false;
   }
+
   return true;
 }