When dragging an image from a web page to the desktop where the image has no ALT text, the file name is empty or contains only an extension (eg ".jpg"). WebCore/platform/ChromiumClipboard.cpp needs to send more information to Chromium in order to properly name the dragged image file.
Created attachment 27056 [details] Patch for bug 23561
Comment on attachment 27056 [details] Patch for bug 23561 Patch looks fine. I assume you meant to mark it for review. There seem to be tabs in the changelog which will need to be fixed when landing.
Committed in http://trac.webkit.org/changeset/40294.