Add Stream support to WebBlobRegistry and FileAPIMessageFilter.

content/child/webblobregistry_impl.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_CHILD_FILEAPI_WEBBLOBREGISTRY_IMPL_H_
 #define CONTENT_CHILD_FILEAPI_WEBBLOBREGISTRY_IMPL_H_
 
 #include "base/memory/ref_counted.h"
 #include "third_party/WebKit/public/platform/WebBlobRegistry.h"
 #include "webkit/common/blob/blob_data.h"
 
 namespace WebKit {
 class WebBlobData;
+class WebString;
 class WebThreadSafeData;
 class WebURL;
 }
 
 namespace content {
 class ThreadSafeSender;
 
 class WebBlobRegistryImpl : public WebKit::WebBlobRegistry {
  public:
   explicit WebBlobRegistryImpl(ThreadSafeSender* sender);
   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,
                 const WebKit::WebThreadSafeData& data,
                 webkit_blob::BlobData::Item* item);
 
   scoped_refptr<ThreadSafeSender> sender_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_FILEAPI_WEBBLOBREGISTRY_IMPL_H_