Finish the base::Bind migration for webkit/media.

webkit/media/buffered_resource_loader.h

Index: webkit/media/buffered_resource_loader.h
diff --git a/webkit/media/buffered_resource_loader.h b/webkit/media/buffered_resource_loader.h
index e92eb37fc3ff4c73778cf53b93ac31fe9a4e9ce1..9ac495b6ccc978a197b4ce7a1d3552a89327423c 100644
--- a/webkit/media/buffered_resource_loader.h
+++ b/webkit/media/buffered_resource_loader.h
@@ -79,7 +79,7 @@ class BufferedResourceLoader
   //   An error code that indicates the request has failed.
   // |event_callback| is called when the response is completed, data is
   // received, the request is suspended or resumed.
-  virtual void Start(net::OldCompletionCallback* callback,
+  virtual void Start(const net::CompletionCallback& callback,
                      const base::Closure& event_callback,
                      WebKit::WebFrame* frame);
 
@@ -98,7 +98,7 @@ class BufferedResourceLoader
   // - net::ERR_CACHE_MISS
   //   The read was made too far away from the current buffered position.
   virtual void Read(int64 position, int read_size,
-                    uint8* buffer, net::OldCompletionCallback* callback);
+                    uint8* buffer, const net::CompletionCallback& callback);
 
   // Returns the position of the last byte buffered. Returns
   // |kPositionNotSpecified| if such value is not available.
@@ -227,7 +227,7 @@ class BufferedResourceLoader
   // Calls |event_callback_| in terms of a network event.
   void NotifyNetworkEvent();
 
-  bool HasPendingRead() { return read_callback_.get() != NULL; }
+  bool HasPendingRead() { return !read_callback_.is_null(); }
 
   // Helper function that returns true if a range request was specified.
   bool IsRangeRequest() const;
@@ -268,14 +268,14 @@ class BufferedResourceLoader
   base::Closure event_callback_;
 
   // Members used during request start.
-  scoped_ptr<net::OldCompletionCallback> start_callback_;
+  net::CompletionCallback start_callback_;
   int64 offset_;
   int64 content_length_;
   int64 instance_size_;
 
   // Members used during a read operation. They should be reset after each
   // read has completed or failed.
-  scoped_ptr<net::OldCompletionCallback> read_callback_;
+  net::CompletionCallback read_callback_;
   int64 read_position_;
   size_t read_size_;
   uint8* read_buffer_;