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

chrome/browser/media_galleries/fileapi/supported_image_type_validator.cc

Index: chrome/browser/media_galleries/fileapi/supported_image_type_validator.cc
diff --git a/chrome/browser/media_galleries/fileapi/supported_image_type_validator.cc b/chrome/browser/media_galleries/fileapi/supported_image_type_validator.cc
index 00c601d8644ccc9ea2abcac68cce3def5925de1d..173383810d7d3ba741d381571fffdc0ea0320faa 100644
--- a/chrome/browser/media_galleries/fileapi/supported_image_type_validator.cc
+++ b/chrome/browser/media_galleries/fileapi/supported_image_type_validator.cc
@@ -125,6 +125,19 @@ void SupportedImageTypeValidator::StartValidation(
                  weak_factory_.GetWeakPtr()));
 }
 
+void SupportedImageTypeValidator::StartPostWriteValidation(
+    const base::FilePath& dest_platform_path,
+    const fileapi::CopyOrMoveFileValidator::ResultCallback& result_callback) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  callback_ = result_callback;
+
+  // TODO(gbillock): Insert AV call here.

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

Since we will have several different validators, which will all do the AV check,
this should probably go into a base class that they can all derive the
functionality from.

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

Yes. This is just a placeholder.

+  BrowserThread::PostTask(
+      BrowserThread::IO,
+      FROM_HERE,
+      base::Bind(callback_, base::PLATFORM_FILE_OK));
+}
+
 SupportedImageTypeValidator::SupportedImageTypeValidator(
     const base::FilePath& path)
     : path_(path),