Blob support for IDB [Blink]

Source/core/fileapi/File.cpp

Index: Source/core/fileapi/File.cpp
diff --git a/Source/core/fileapi/File.cpp b/Source/core/fileapi/File.cpp
index cb0466492b56ffcb9a478ac4352edc6dd8dc56d9..a2e11d0fa8ceda836c3694113b6a8d8fa69eefb5 100644
--- a/Source/core/fileapi/File.cpp
+++ b/Source/core/fileapi/File.cpp
@@ -113,7 +113,17 @@ File::File(const String& path, const KURL& url, const String& type)
     m_name = WebKit::Platform::current()->fileUtilities()->baseName(path);
     // FIXME: File object serialization/deserialization does not include
     // newer file object data members: m_name and m_relativePath.
-    // See SerializedScriptValue.cpp for js and v8.
+    // See SerializedScriptValue.cpp.
+}
+
+File::File(const String& path, const String& name, const KURL& url, const String& type, double lastModified, long long size)
+    : Blob(url, type, -1)
+    , m_path(path)
+    , m_name(name)
+    , m_snapshotSize(size)
+    , m_snapshotModificationTime(lastModified)
+{
+    ScriptWrappable::init(this);
 }
 
 File::File(const String& path, const String& name, ContentTypeLookupPolicy policy)