There was confusion in the mock socket classes due to...

net/websockets/websocket_unittest.cc

 // Copyright (c) 2009 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 <string>
 #include <vector>
 
 #include "base/task.h"
 #include "net/base/completion_callback.h"
 #include "net/base/io_buffer.h"
@@ skipping 129 matching lines @@
   };
   MockWrite data_writes[] = {
     MockWrite("GET /demo HTTP/1.1\r\n"
               "Upgrade: WebSocket\r\n"
               "Connection: Upgrade\r\n"
               "Host: example.com\r\n"
               "Origin: http://example.com\r\n"
               "WebSocket-Protocol: sample\r\n"
               "\r\n"),
   };
-  StaticMockSocket data(data_reads, data_writes);
-  mock_socket_factory.AddMockSocket(&data);
+  StaticSocketDataProvider data(data_reads, data_writes);
+  mock_socket_factory.AddSocketDataProvider(&data);
 
   WebSocket::Request* request(
       new WebSocket::Request(GURL("ws://example.com/demo"),
                              "sample",
                              "http://example.com",
                              "ws://example.com/demo",
                              new TestURLRequestContext()));
   request->SetHostResolver(new MockHostResolver());
   request->SetClientSocketFactory(&mock_socket_factory);
 
@@ skipping 38 matching lines @@
   };
   MockWrite data_writes[] = {
     MockWrite("GET /demo HTTP/1.1\r\n"
               "Upgrade: WebSocket\r\n"
               "Connection: Upgrade\r\n"
               "Host: example.com\r\n"
               "Origin: http://example.com\r\n"
               "WebSocket-Protocol: sample\r\n"
               "\r\n"),
   };
-  StaticMockSocket data(data_reads, data_writes);
-  mock_socket_factory.AddMockSocket(&data);
+  StaticSocketDataProvider data(data_reads, data_writes);
+  mock_socket_factory.AddSocketDataProvider(&data);
 
   WebSocket::Request* request(
       new WebSocket::Request(GURL("ws://example.com/demo"),
                              "sample",
                              "http://example.com",
                              "ws://example.com/demo",
                              new TestURLRequestContext()));
   request->SetHostResolver(new MockHostResolver());
   request->SetClientSocketFactory(&mock_socket_factory);
 
@@ skipping 98 matching lines @@
     EXPECT_EQ(1U, events.size());
 
     EXPECT_EQ(WebSocketEvent::EVENT_MESSAGE, events[0].event_type);
     EXPECT_EQ(kExpectedMsg, events[0].msg);
   }
 
   websocket->DetachDelegate();
 }
 
 }  // namespace net