DOMWebSocket::bufferedAmount() should not return an "unsigned long"

Source/modules/websockets/DOMWebSocketTest.cpp

 // Copyright 2014 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 "config.h"
 #include "modules/websockets/DOMWebSocket.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "core/dom/DOMTypedArray.h"
@@ skipping 31 matching lines @@
 
     virtual ~MockWebSocketChannel()
     {
     }
 
     MOCK_METHOD2(connect, bool(const KURL&, const String&));
     MOCK_METHOD1(send, void(const String&));
     MOCK_METHOD3(send, void(const ArrayBuffer&, unsigned, unsigned));
     MOCK_METHOD1(send, void(PassRefPtr<BlobDataHandle>));
     MOCK_METHOD1(send, void(PassOwnPtr<Vector<char> >));
-    MOCK_CONST_METHOD0(bufferedAmount, unsigned long());
+    MOCK_CONST_METHOD0(bufferedAmount, unsigned());
     MOCK_METHOD2(close, void(int, const String&));
     MOCK_METHOD4(fail, void(const String&, MessageLevel, const String&, unsigned));
     MOCK_METHOD0(disconnect, void());
     MOCK_METHOD0(suspend, void());
     MOCK_METHOD0(resume, void());
 
     MockWebSocketChannel()
     {
     }
 };
@@ skipping 636 matching lines @@
     EXPECT_EQ(InvalidAccessError, m_exceptionState.code());
     EXPECT_EQ(String::format("The code must be either 1000, or between 3000 and 4999. %d is neither.", GetParam()), m_exceptionState.message());
     EXPECT_EQ(DOMWebSocket::CONNECTING, m_websocket->readyState());
 }
 
 INSTANTIATE_TEST_CASE_P(DOMWebSocketInvalidClosingCode, DOMWebSocketInvalidClosingCodeTest, ::testing::Values(0, 1, 998, 999, 1001, 2999, 5000, 9999, 65535));
 
 } // namespace
 
 } // namespace blink