[FileSystem] Add another copy-or-move validation hook for post-write.

webkit/browser/fileapi/copy_or_move_file_validator_unittest.cc

Index: webkit/browser/fileapi/copy_or_move_file_validator_unittest.cc
diff --git a/webkit/browser/fileapi/copy_or_move_file_validator_unittest.cc b/webkit/browser/fileapi/copy_or_move_file_validator_unittest.cc
index b971fd57c1a9f0f72b517fc1a3e186d78b76e71c..3ee7c3de1b5106037cc4f8381485172d3aae3e05 100644
--- a/webkit/browser/fileapi/copy_or_move_file_validator_unittest.cc
+++ b/webkit/browser/fileapi/copy_or_move_file_validator_unittest.cc
@@ -207,6 +207,14 @@ class TestCopyOrMoveFileValidatorFactory
           FROM_HERE, base::Bind(result_callback, result_));
     }
 
+    virtual void StartPostWriteValidation(
+        const base::FilePath& dest_platform_path,
+        const ResultCallback& result_callback) OVERRIDE {
+      // Post the result since a real validator must do work asynchronously.
+      base::MessageLoop::current()->PostTask(
+          FROM_HERE, base::Bind(result_callback, result_));

[vandebo (ex-Chrome), 2013/07/02 18:43:05]

The test validator should control pre/post validation result separately so that
both can be tested.

[Greg Billock, 2013/07/02 19:17:39]

Done.

+    }
+
    private:
     base::PlatformFileError result_;