Fixed WebDragData's wrong dependency.

Source/core/clipboard/DraggedIsolatedFileSystem.cpp

Index: Source/core/clipboard/DraggedIsolatedFileSystem.cpp
diff --git a/Source/core/clipboard/DraggedIsolatedFileSystem.cpp b/Source/core/clipboard/DraggedIsolatedFileSystem.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..159bf146768dfe2042ea87c8b380d70b1adce94a
--- /dev/null
+++ b/Source/core/clipboard/DraggedIsolatedFileSystem.cpp
@@ -0,0 +1,20 @@
+#include "config.h"

[tkent, 2015/02/23 23:40:40]

Add the 3-line copyright header.

[tasak, 2015/02/25 08:15:24]

Done.

+#include "core/clipboard/DraggedIsolatedFileSystem.h"
+
+namespace blink {
+
+void (*DraggedIsolatedFileSystem::m_prepareMethod)(DataObject*, const String&) = nullptr;
+
+void DraggedIsolatedFileSystem::init(void (*prepareMethod)(DataObject*, const String&))
+{
+    ASSERT(!m_prepareMethod);
+    m_prepareMethod = prepareMethod;
+}
+
+void DraggedIsolatedFileSystem::prepareForDataObject(DataObject* dataObject, const String& filesystemId)
+{
+    ASSERT(m_prepareMethod);
+    (*m_prepareMethod)(dataObject, filesystemId);
+}
+
+}