[SPDY] Replace SpdyIOBuffer with new SpdyBuffer class

net/spdy/spdy_websocket_stream_spdy2_unittest.cc

 // Copyright (c) 2012 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.
 
 #include "net/spdy/spdy_websocket_stream.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 98 matching lines @@
   virtual void OnSentSpdyData(size_t bytes_sent) OVERRIDE {
     events_.push_back(
         SpdyWebSocketStreamEvent(
             SpdyWebSocketStreamEvent::EVENT_SENT_DATA,
             SpdyHeaderBlock(),
             static_cast<int>(bytes_sent),
             std::string()));
     if (!on_sent_data_.is_null())
       on_sent_data_.Run(&events_.back());
   }
-  virtual void OnReceivedSpdyData(const char* data, int length) OVERRIDE {
+  virtual void OnReceivedSpdyData(scoped_ptr<SpdyBuffer> buffer) OVERRIDE {
+    std::string buffer_data;
+    size_t buffer_len = 0;
+    if (buffer) {
+      buffer_len = buffer->GetRemainingSize();
+      buffer_data.append(buffer->GetRemainingData(), buffer_len);
+    }
     events_.push_back(
         SpdyWebSocketStreamEvent(
             SpdyWebSocketStreamEvent::EVENT_RECEIVED_DATA,
             SpdyHeaderBlock(),
-            length,
-            std::string(data, length)));
+            buffer_len,
+            buffer_data));
     if (!on_received_data_.is_null())
       on_received_data_.Run(&events_.back());
   }
   virtual void OnCloseSpdyStream() OVERRIDE {
     events_.push_back(
         SpdyWebSocketStreamEvent(
             SpdyWebSocketStreamEvent::EVENT_CLOSE,
             SpdyHeaderBlock(),
             OK,
             std::string()));
@@ skipping 470 matching lines @@
   EXPECT_EQ(OK, events[7].result);
 
   // EOF close SPDY session.
   EXPECT_TRUE(!http_session_->spdy_session_pool()->HasSession(
       host_port_proxy_pair_));
   EXPECT_TRUE(data()->at_read_eof());
   EXPECT_TRUE(data()->at_write_eof());
 }
 
 }  // namespace net