Support sending BlobData to browser process. Also support sending UploadData...

chrome/browser/renderer_host/blob_dispatcher_host.h

+// Copyright (c) 2010 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 CHROME_BROWSER_RENDERER_HOST_BLOB_DISPATCHER_HOST_H_
+#define CHROME_BROWSER_RENDERER_HOST_BLOB_DISPATCHER_HOST_H_
+
+#include "base/hash_tables.h"
+#include "base/ref_counted.h"
+
+class ChromeBlobStorageContext;
+class GURL;
+
+namespace IPC {
+class Message;
+}
+
+namespace webkit_blob {
+class BlobData;
+}
+
+class BlobDispatcherHost {
+ public:
+  explicit BlobDispatcherHost(
+      ChromeBlobStorageContext* blob_storage_context);
+  ~BlobDispatcherHost();
+
+  void Shutdown();
+  bool OnMessageReceived(const IPC::Message& message, bool* msg_is_ok);
+
+ private:
+
+  void OnRegisterBlobUrl(const GURL& url,
+                         const scoped_refptr<webkit_blob::BlobData>& blob_data);
+  void OnRegisterBlobUrlFrom(const GURL& url, const GURL& src_url);
+  void OnUnregisterBlobUrl(const GURL& url);
+
+  scoped_refptr<ChromeBlobStorageContext> blob_storage_context_;
+
+  // Keep track of blob URLs registered in this process. Need to unregister
+  // all of them when the renderer process dies.
+  base::hash_set<std::string> blob_urls_;
+
+  DISALLOW_IMPLICIT_CONSTRUCTORS(BlobDispatcherHost);
+};
+
+#endif  // CHROME_BROWSER_RENDERER_HOST_BLOB_DISPATCHER_HOST_H_