Add the backchannel for Blobs to be received into Blink from the database backend.

Source/bindings/v8/IDBBindingUtilities.h

Index: Source/bindings/v8/IDBBindingUtilities.h
diff --git a/Source/bindings/v8/IDBBindingUtilities.h b/Source/bindings/v8/IDBBindingUtilities.h
index 0f8ce8d8d3f5b2d399fdd051559f1af97fbe49de..6fd693981f014d65888e7c25f392e4f20c499e28 100644
--- a/Source/bindings/v8/IDBBindingUtilities.h
+++ b/Source/bindings/v8/IDBBindingUtilities.h
@@ -31,6 +31,12 @@
 #include <v8.h>
 #include "wtf/Forward.h"
 
+namespace blink {
+
+class WebBlobInfo;
+
+}
+
 namespace WebCore {
 
 class IDBAny;
@@ -52,7 +58,7 @@ PassRefPtr<IDBKey> scriptValueToIDBKey(v8::Isolate*, const ScriptValue&);
 PassRefPtr<IDBKeyRange> scriptValueToIDBKeyRange(v8::Isolate*, const ScriptValue&);
 
 #ifndef NDEBUG
-void assertPrimaryKeyValidOrInjectable(NewScriptState*, PassRefPtr<SharedBuffer>, PassRefPtr<IDBKey>, const IDBKeyPath&);
+void assertPrimaryKeyValidOrInjectable(NewScriptState*, PassRefPtr<SharedBuffer>, const Vector<blink::WebBlobInfo>*, PassRefPtr<IDBKey>, const IDBKeyPath&);
 #endif
 
 } // namespace WebCore