Add Stream support to WebBlobRegistry and FileAPIMessageFilter.

content/child/webblobregistry_impl.h

Index: content/child/webblobregistry_impl.h
diff --git a/content/child/webblobregistry_impl.h b/content/child/webblobregistry_impl.h
index 7e67e427066c0ff8abaa781772516860f03ccf3b..161251ef3d3e602a4c69d809d4d35a42d0fa1546 100644
--- a/content/child/webblobregistry_impl.h
+++ b/content/child/webblobregistry_impl.h
@@ -11,6 +11,7 @@
 
 namespace WebKit {
 class WebBlobData;
+class WebString;
 class WebThreadSafeData;
 class WebURL;
 }
@@ -24,10 +25,16 @@ class WebBlobRegistryImpl : public WebKit::WebBlobRegistry {
   virtual ~WebBlobRegistryImpl();
 
   virtual void registerBlobURL(const WebKit::WebURL& url,
-                               WebKit::WebBlobData& data);
+                               WebKit::WebBlobData& data) OVERRIDE;
+  virtual void registerStreamURL(
+      const WebKit::WebURL& url,
+      const WebKit::WebString& content_type) OVERRIDE;
   virtual void registerBlobURL(const WebKit::WebURL& url,
-                               const WebKit::WebURL& src_url);
-  virtual void unregisterBlobURL(const WebKit::WebURL& url);
+                               const WebKit::WebURL& src_url) OVERRIDE;
+  virtual void addDataToStream(const WebKit::WebURL& url,
+                               WebKit::WebThreadSafeData& data) OVERRIDE;
+  virtual void finalizeStream(const WebKit::WebURL& url) OVERRIDE;
+  virtual void unregisterBlobURL(const WebKit::WebURL& url) OVERRIDE;
 
  private:
   void SendData(const WebKit::WebURL& url,