PPAPI: Force async callback invocation option.

ppapi/thunk/ppb_file_ref_thunk.cc

Index: ppapi/thunk/ppb_file_ref_thunk.cc
===================================================================
--- ppapi/thunk/ppb_file_ref_thunk.cc	(revision 91178)
+++ ppapi/thunk/ppb_file_ref_thunk.cc	(working copy)
@@ -6,8 +6,9 @@
 #include "ppapi/c/dev/ppb_file_ref_dev.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
+#include "ppapi/thunk/common.h"
+#include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/thunk.h"
-#include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_file_ref_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
 
@@ -61,8 +62,9 @@
                       PP_CompletionCallback callback) {
   EnterResource<PPB_FileRef_API> enter(directory_ref, true);
   if (enter.failed())
-    return PP_ERROR_BADRESOURCE;
-  return enter.object()->MakeDirectory(make_ancestors, callback);
+    return MayForceCallback(callback, PP_ERROR_BADRESOURCE);
+  int32_t result = enter.object()->MakeDirectory(make_ancestors, callback);
+  return MayForceCallback(callback, result);
 }
 
 int32_t Touch(PP_Resource file_ref,
@@ -71,16 +73,19 @@
               PP_CompletionCallback callback) {
   EnterResource<PPB_FileRef_API> enter(file_ref, true);
   if (enter.failed())
-    return PP_ERROR_BADRESOURCE;
-  return enter.object()->Touch(last_access_time, last_modified_time, callback);
+    return MayForceCallback(callback, PP_ERROR_BADRESOURCE);
+  int32_t result = enter.object()->Touch(last_access_time, last_modified_time,
+                                         callback);
+  return MayForceCallback(callback, result);
 }
 
 int32_t Delete(PP_Resource file_ref,
                PP_CompletionCallback callback) {
   EnterResource<PPB_FileRef_API> enter(file_ref, true);
   if (enter.failed())
-    return PP_ERROR_BADRESOURCE;
-  return enter.object()->Delete(callback);
+    return MayForceCallback(callback, PP_ERROR_BADRESOURCE);
+  int32_t result = enter.object()->Delete(callback);
+  return MayForceCallback(callback, result);
 }
 
 int32_t Rename(PP_Resource file_ref,
@@ -88,8 +93,9 @@
                PP_CompletionCallback callback) {
   EnterResource<PPB_FileRef_API> enter(file_ref, true);
   if (enter.failed())
-    return PP_ERROR_BADRESOURCE;
-  return enter.object()->Rename(new_file_ref, callback);
+    return MayForceCallback(callback, PP_ERROR_BADRESOURCE);
+  int32_t result = enter.object()->Rename(new_file_ref, callback);
+  return MayForceCallback(callback, result);
 }
 
 const PPB_FileRef_Dev g_ppb_file_ref_thunk = {