EventSourceParserTest: fix invalid cast in GC finalizer.

third_party/WebKit/Source/core/page/EventSourceParserTest.cpp

 // Copyright 2016 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 "core/page/EventSourceParser.h"
 
 #include "core/page/EventSource.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "wtf/text/CharacterNames.h"
 
@@ skipping 41 matching lines @@
     }
     void onReconnectionTimeSet(unsigned long long reconnectionTime) override
     {
         m_events.append(EventOrReconnectionTimeSetting(reconnectionTime));
     }
 
 private:
     Vector<EventOrReconnectionTimeSetting> m_events;
 };
 
-class StoppingClient : public GarbageCollectedFinalized<Client>, public EventSourceParser::Client {
+class StoppingClient : public GarbageCollectedFinalized<StoppingClient>, public EventSourceParser::Client {
     USING_GARBAGE_COLLECTED_MIXIN(StoppingClient);
 public:
     ~StoppingClient() override {}
     const Vector<EventOrReconnectionTimeSetting>& events() const { return m_events; }
     void setParser(EventSourceParser* parser) { m_parser = parser; }
     void onMessageEvent(const AtomicString& event, const String& data, const AtomicString& id) override
     {
         m_parser->stop();
         m_events.append(EventOrReconnectionTimeSetting(event, data, id));
     }
@@ skipping 325 matching lines @@
     ASSERT_EQ(1u, events.size());
     ASSERT_EQ(EventOrReconnectionTimeSetting::Type::Event, events[0].type);
     EXPECT_EQ("message", events[0].event);
     EXPECT_EQ("hello", events[0].data);
     EXPECT_EQ("99", parser->lastEventId());
 }
 
 } // namespace
 
 } // namespace blink