PepperFileRefHost: Port to use explicit permission grants in ChildProcessSecurityPolicy.

content/browser/renderer_host/pepper/pepper_external_file_ref_backend.cc

Index: content/browser/renderer_host/pepper/pepper_external_file_ref_backend.cc
diff --git a/content/browser/renderer_host/pepper/pepper_external_file_ref_backend.cc b/content/browser/renderer_host/pepper/pepper_external_file_ref_backend.cc
index 6b12a32ddf424940aa38c64b651548a887236d0d..a5191cf82d3ec784cba2982a5dd02e9da0811bd2 100644
--- a/content/browser/renderer_host/pepper/pepper_external_file_ref_backend.cc
+++ b/content/browser/renderer_host/pepper/pepper_external_file_ref_backend.cc
@@ -105,10 +105,26 @@ base::FilePath PepperExternalFileRefBackend::GetExternalPath() const {
   return path_;
 }
 
-int32_t PepperExternalFileRefBackend::HasPermissions(
-    int permissions) const {
-  if (!ChildProcessSecurityPolicyImpl::GetInstance()->HasPermissionsForFile(
-      render_process_id_, path_, permissions)) {
+

[Tom Sepez, 2013/07/19 18:39:28]

nit: extra blank line.

[tommycli, 2013/07/23 21:12:35]

Done.

+int32_t PepperExternalFileRefBackend::CanRead() const {
+  if (!ChildProcessSecurityPolicyImpl::GetInstance()->
+          CanReadFile(render_process_id_, path_)) {
+    return PP_ERROR_NOACCESS;
+  }
+  return PP_OK;
+}
+
+int32_t PepperExternalFileRefBackend::CanWrite() const {
+  if (!ChildProcessSecurityPolicyImpl::GetInstance()->
+          CanWriteFile(render_process_id_, path_)) {
+    return PP_ERROR_NOACCESS;
+  }
+  return PP_OK;
+}
+
+int32_t PepperExternalFileRefBackend::CanCreate() const {
+  if (!ChildProcessSecurityPolicyImpl::GetInstance()->
+          CanCreateFile(render_process_id_, path_)) {
     return PP_ERROR_NOACCESS;
   }
   return PP_OK;