Couple of minor changes to the WebKitAPI. This is a small step in a larger work-in-progress. See th…

public/platform/WebFileWriter.h

Index: public/platform/WebFileWriter.h
diff --git a/public/platform/WebFileWriter.h b/public/platform/WebFileWriter.h
index d2f164d4e474999c605c86e325304ea69f1e320f..1b3d67392bd155d01429e0b4727c5cdb156f8ebb 100644
--- a/public/platform/WebFileWriter.h
+++ b/public/platform/WebFileWriter.h
@@ -36,6 +36,7 @@
 
 namespace WebKit {
 
+class WebString;
 class WebURL;
 
 class WebFileWriter {
@@ -44,7 +45,8 @@ public:
 
     // Only one write or one truncate operation can be in progress at a time.
     // These functions are asynchronous and will report results through the WebFileWriter's associated WebFileWriterClient.
-    virtual void write(long long position, const WebURL& blobURL) = 0;
+    virtual void write(long long position, const WebURL& blobURL) { } // DEPRECATED
+    virtual void write(long long position, const WebString& blobUUID) { }
     virtual void truncate(long long length) = 0;
 
     // Cancel will attempt to abort a running write or truncate. However, it may not be possible to cancel an in-progress action, or the call may have come in too late. Partial writes are possible.