Add Stream support to WebBlobRegistry and FileAPIMessageFilter.

content/child/webblobregistry_impl.cc

Index: content/child/webblobregistry_impl.cc
diff --git a/content/child/webblobregistry_impl.cc b/content/child/webblobregistry_impl.cc
index ecd9e1e68e8b070c98f074cb2586314738291f70..daf230473b51d9624944fdc9b5b06dc46b0121ff 100644
--- a/content/child/webblobregistry_impl.cc
+++ b/content/child/webblobregistry_impl.cc
@@ -119,6 +119,13 @@ void WebBlobRegistryImpl::registerBlobURL(
       url, data.contentType().utf8().data()));
 }
 
+void WebBlobRegistryImpl::registerStreamURL(
+    const WebURL& url, const WebString& content_type) {
+  DCHECK(ChildThread::current()->message_loop() ==
+         base::MessageLoop::current());
+  sender_->Send(new BlobHostMsg_StartBuildingStream(url, type.utf8()));
+}
+
 void WebBlobRegistryImpl::registerBlobURL(
     const WebURL& url, const WebURL& src_url) {
   DCHECK(ChildThread::current()->message_loop() ==
@@ -126,6 +133,20 @@ void WebBlobRegistryImpl::registerBlobURL(
   sender_->Send(new BlobHostMsg_CloneBlob(url, src_url));
 }
 
+void WebBlobRegistryImpl::addDataToStream(const WebKit::WebURL& url,
+                                          WebKit::WebThreadSafeData& data) {
+  DCHECK(ChildThread::current()->message_loop() ==
+         base::MessageLoop::current());
+  webkit_blob::BlobData::Item item;
+  SendData(url, data, &item);
+}
+
+void WebBlobRegistryImpl::finalizeStream(const WebURL& url) {
+  DCHECK(ChildThread::current()->message_loop() ==
+         base::MessageLoop::current());
+  sender_->Send(new BlobHostMsg_FinishBuildingBlob(url, ""));
+}
+
 void WebBlobRegistryImpl::unregisterBlobURL(const WebURL& url) {
   DCHECK(ChildThread::current()->message_loop() ==
          base::MessageLoop::current());