Pepper quota support

webkit/plugins/ppapi/ppb_file_io_impl.h

Index: webkit/plugins/ppapi/ppb_file_io_impl.h
diff --git a/webkit/plugins/ppapi/ppb_file_io_impl.h b/webkit/plugins/ppapi/ppb_file_io_impl.h
index 327f713c9c508241a6e5540ca394ed3fd2211276..8c9ce18e7670a55dd6cba63c7c92fa353a0375e9 100644
--- a/webkit/plugins/ppapi/ppb_file_io_impl.h
+++ b/webkit/plugins/ppapi/ppb_file_io_impl.h
@@ -29,6 +29,7 @@ namespace ppapi {
 
 class PluginModule;
 class PPB_FileRef_Impl;
+class QuotaFileIO;
 
 class PPB_FileIO_Impl : public Resource,
                         public ::ppapi::thunk::PPB_FileIO_API {
@@ -74,6 +75,7 @@ class PPB_FileIO_Impl : public Resource,
     ~CallbackEntry();
 
     scoped_refptr<TrackedCompletionCallback> callback;
+
     // Pointer back to the caller's read buffer; only used by |Read()|.
     // Not owned.
     char* read_buffer;
@@ -109,8 +111,7 @@ class PPB_FileIO_Impl : public Resource,
   // |read_buffer| is only used by read operations.
   void RegisterCallback(OperationType op,
                         PP_CompletionCallback callback,
-                        char* rend_buffer);
-
+                        char* read_buffer);
   void RunAndRemoveFirstPendingCallback(int32_t result);
 
   void StatusCallback(base::PlatformFileError error_code);
@@ -127,6 +128,9 @@ class PPB_FileIO_Impl : public Resource,
   base::PlatformFile file_;
   PP_FileSystemType file_system_type_;
 
+  // Valid only for PP_FILESYSTEMTYPE_LOCAL{PERSISTENT,TEMPORARY}.
+  GURL file_system_url_;
+
   std::queue<CallbackEntry> callbacks_;
   OperationType pending_op_;
 
@@ -134,6 +138,8 @@ class PPB_FileIO_Impl : public Resource,
   // pending for it.
   PP_FileInfo* info_;
 
+  scoped_ptr<QuotaFileIO> quota_file_io_;

[brettw, 2011/07/26 16:40:14]

It looks like you use the existence of this pointer to mean that quota is being
enforced, and if it doesn't exist, it means there's no quota. We should be sure
to have a clear comment documenting this policy here.

[kinuko, 2011/07/27 09:33:14]

Done.

+
   DISALLOW_COPY_AND_ASSIGN(PPB_FileIO_Impl);
 };