Add Query() support to FileRef

webkit/plugins/ppapi/ppb_file_ref_impl.h

Index: webkit/plugins/ppapi/ppb_file_ref_impl.h
diff --git a/webkit/plugins/ppapi/ppb_file_ref_impl.h b/webkit/plugins/ppapi/ppb_file_ref_impl.h
index a1856c0ce0f2607076936a43d8d2412fa9a19992..27a8ee85af5af0f4f2088ce71779933d8d063bbe 100644
--- a/webkit/plugins/ppapi/ppb_file_ref_impl.h
+++ b/webkit/plugins/ppapi/ppb_file_ref_impl.h
@@ -9,6 +9,7 @@
 
 #include "base/files/file_path.h"
 #include "googleurl/src/gurl.h"
+#include "ppapi/c/pp_file_info.h"
 #include "ppapi/c/ppb_file_ref.h"
 #include "ppapi/shared_impl/ppb_file_ref_shared.h"
 #include "ppapi/shared_impl/var.h"
@@ -53,6 +54,9 @@ class WEBKIT_GLUE_EXPORT PPB_FileRef_Impl
   virtual int32_t Rename(
       PP_Resource new_file_ref,
       scoped_refptr< ::ppapi::TrackedCallback> callback) OVERRIDE;
+  virtual int32_t Query(
+      PP_FileInfo* info,
+      scoped_refptr< ::ppapi::TrackedCallback> callback) OVERRIDE;
   virtual PP_Var GetAbsolutePath();
 
   PPB_FileSystem_Impl* file_system() const { return file_system_.get(); }
@@ -67,6 +71,17 @@ class WEBKIT_GLUE_EXPORT PPB_FileRef_Impl
   // Checks if file ref has file system instance and if the instance is opened.
   bool HasValidFileSystem() const;
  private:
+  // Callbacks to support FileRef::Query.
+  void QueryCallback(PP_FileInfo* info,
+                     scoped_refptr< ::ppapi::TrackedCallback> callback,
+                     base::PlatformFileError error_code,
+                     base::PassPlatformFile passed_file);
+  void GetFileInfoCallback(base::PlatformFile file,
+                           PP_FileInfo* info,
+                           scoped_refptr< ::ppapi::TrackedCallback> callback,
+                           base::PlatformFileError error_code,
+                           const base::PlatformFileInfo& file_info);
+
   // Many mutation functions are allow only to non-external filesystems, This
   // function returns true if the filesystem is opened and isn't external as an
   // access check for these functions.