Implement content::WebSocketBlobSender

content/browser/renderer_host/websocket_host.h

Index: content/browser/renderer_host/websocket_host.h
diff --git a/content/browser/renderer_host/websocket_host.h b/content/browser/renderer_host/websocket_host.h
index efdc9d1bd000ef1e56abd46f2808fb62724092ad..e95f65c31f4828a33e6e5dd927c74c50e87b2a5c 100644
--- a/content/browser/renderer_host/websocket_host.h
+++ b/content/browser/renderer_host/websocket_host.h
@@ -34,6 +34,7 @@ class Message;
 
 namespace content {
 
+class WebSocketBlobSender;
 class WebSocketDispatcherHost;
 
 // Host of net::WebSocketChannel. The lifetime of an instance of this class is
@@ -60,6 +61,8 @@ class CONTENT_EXPORT WebSocketHost {
   void OnHandshakeSucceeded() { handshake_succeeded_ = true; }
 
  private:
+  class WebSocketEventHandler;
+
   // Handlers for each message type, dispatched by OnMessageReceived(), as
   // defined in content/common/websocket_messages.h
 
@@ -73,6 +76,8 @@ class CONTENT_EXPORT WebSocketHost {
                   const url::Origin& origin,
                   int render_frame_id);
 
+  void OnSendBlob(const std::string& uuid, uint64_t expected_size);
+
   void OnSendFrame(bool fin,
                    WebSocketMessageType type,
                    const std::vector<char>& data);
@@ -81,6 +86,11 @@ class CONTENT_EXPORT WebSocketHost {
 
   void OnDropChannel(bool was_clean, uint16_t code, const std::string& reason);
 
+  void BlobSendComplete(int result);
+
+  // non-NULL if and only if this object is currently in "blob sending mode".
+  scoped_ptr<WebSocketBlobSender> blob_sender_;
+
   // The channel we use to send events to the network.
   scoped_ptr<net::WebSocketChannel> channel_;