Add a flag to show if the FileChooserCompletion needs local paths or not.

Source/web/ChromeClientImpl.cpp

Index: Source/web/ChromeClientImpl.cpp
diff --git a/Source/web/ChromeClientImpl.cpp b/Source/web/ChromeClientImpl.cpp
index 6017435c6e38b4754c6e11d72c9ce4e091c77742..b1b316f8941059f5e9036c2643c9d0ebb65b4ac9 100644
--- a/Source/web/ChromeClientImpl.cpp
+++ b/Source/web/ChromeClientImpl.cpp
@@ -614,6 +614,7 @@ void ChromeClientImpl::runOpenPanel(LocalFrame* frame, PassRefPtr<FileChooser> f
     if (params.selectedFiles.size() > 0)
         params.initialValue = params.selectedFiles[0];
     params.useMediaCapture = fileChooser->settings().useMediaCapture;
+    params.needLocalPath = !fileChooser->settings().allowsDirectoryUpload;

[tkent, 2014/10/15 08:58:12]

I don't understand why directory-upload doesn't need local path.

[hirono, 2014/10/15 09:26:51]

Yes, this was wrong.
When uploading directory, we need local paths. For uploading files, I'm going to
add non-native file support that does not need local paths.
Thank you for catching it.

 
     WebFileChooserCompletionImpl* chooserCompletion =
         new WebFileChooserCompletionImpl(fileChooser);