Let input tag filter out non-native files in dropped data.

Source/core/page/DragData.h

Index: Source/core/page/DragData.h
diff --git a/Source/core/page/DragData.h b/Source/core/page/DragData.h
index 7c6f12a28e89d019d8180085d3e337051fe609a6..8489d1672eb9bc569c930d07509bb22a3bb79f34 100644
--- a/Source/core/page/DragData.h
+++ b/Source/core/page/DragData.h
@@ -65,11 +65,10 @@ public:
     bool containsCompatibleContent() const;
     String asURL(FilenameConversionPolicy filenamePolicy = ConvertFilenames, String* title = nullptr) const;
     String asPlainText() const;
-    void asFilenames(Vector<String>&) const;
+    void asFilePaths(Vector<String>&) const;

[tkent, 2014/11/17 08:09:46]

I'm not sure why you renamed this.

[hirono, 2014/11/17 08:14:44]

The values are come from blink::File class having both name() and path() fields.
So I'd like to make it clear which property is referred.

     PassRefPtrWillBeRawPtr<DocumentFragment> asFragment(LocalFrame*, PassRefPtrWillBeRawPtr<Range> context, bool allowPlainText, bool& chosePlainText) const;
     bool canSmartReplace() const;
     bool containsFiles() const;
-    unsigned numberOfFiles() const;
     int modifierKeyState() const;
 
     String droppedFileSystemId() const;