Revert 216744 "Pepper: Move FileRef to the "new" resource proxy."

trunk/src/ppapi/thunk/ppb_file_ref_api.h

Index: trunk/src/ppapi/thunk/ppb_file_ref_api.h
===================================================================
--- trunk/src/ppapi/thunk/ppb_file_ref_api.h	(revision 217031)
+++ trunk/src/ppapi/thunk/ppb_file_ref_api.h	(working copy)
@@ -10,12 +10,11 @@
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
 #include "ppapi/c/ppb_file_ref.h"
-#include "ppapi/shared_impl/file_ref_create_info.h"
 #include "ppapi/thunk/ppapi_thunk_export.h"
 
 namespace ppapi {
 
-struct FileRefCreateInfo;
+struct PPB_FileRef_CreateInfo;
 class TrackedCallback;
 
 namespace thunk {
@@ -41,10 +40,25 @@
   virtual int32_t ReadDirectoryEntries(
       const PP_ArrayOutput& output,
       scoped_refptr<TrackedCallback> callback) = 0;
+  // We define variants of Query and ReadDirectoryEntries because
+  // 1. we need to take linked_ptr instead of raw pointers to avoid
+  // use-after-free, and 2. we don't use PP_ArrayOutput for the
+  // communication between renderers and the browser in
+  // ReadDirectoryEntries. The *InHost functions must not be called in
+  // plugins, and Query and ReadDirectoryEntries must not be called in
+  // renderers.
+  // TODO(hamaji): These functions must be removed when we move
+  // FileRef to the new resource design. http://crbug.com/225441
+  virtual int32_t QueryInHost(linked_ptr<PP_FileInfo> info,
+                              scoped_refptr<TrackedCallback> callback) = 0;
+  virtual int32_t ReadDirectoryEntriesInHost(
+      linked_ptr<std::vector<ppapi::PPB_FileRef_CreateInfo> > files,
+      linked_ptr<std::vector<PP_FileType> > file_types,
+      scoped_refptr<TrackedCallback> callback) = 0;
 
   // Internal function for use in proxying. Returns the internal CreateInfo
   // (the contained resource does not carry a ref on behalf of the caller).
-  virtual const FileRefCreateInfo& GetCreateInfo() const = 0;
+  virtual const PPB_FileRef_CreateInfo& GetCreateInfo() const = 0;
 
   // Private API
   virtual PP_Var GetAbsolutePath() = 0;