Remove HttpStreamBase.

net/http/http_response_body_drainer.h

Index: net/http/http_response_body_drainer.h
diff --git a/net/http/http_response_body_drainer.h b/net/http/http_response_body_drainer.h
index 5c7713e254bb39ffce3a4c5bf87e513ee79c1f22..a4255d0dea957ad4b58a4a73e625dc84b660767b 100644
--- a/net/http/http_response_body_drainer.h
+++ b/net/http/http_response_body_drainer.h
@@ -15,7 +15,7 @@
 
 namespace net {
 
-class HttpStreamBase;
+class HttpStream;
 class IOBuffer;
 
 class NET_EXPORT_PRIVATE HttpResponseBodyDrainer {
@@ -27,7 +27,7 @@ class NET_EXPORT_PRIVATE HttpResponseBodyDrainer {
   static const int kDrainBodyBufferSize = 16384;
   static const int kTimeoutInSeconds = 5;
 
-  explicit HttpResponseBodyDrainer(HttpStreamBase* stream);
+  explicit HttpResponseBodyDrainer(HttpStream* stream);
   ~HttpResponseBodyDrainer();
 
   // Starts reading the body until completion, or we hit the buffer limit, or we
@@ -52,7 +52,7 @@ class NET_EXPORT_PRIVATE HttpResponseBodyDrainer {
   void Finish(int result);
 
   scoped_refptr<IOBuffer> read_buf_;
-  const scoped_ptr<HttpStreamBase> stream_;
+  const scoped_ptr<HttpStream> stream_;
   State next_state_;
   int total_read_;
   CompletionCallback user_callback_;