Remove unused V8 integration code in Sky

sky/engine/v8_inspector/PromiseTracker.h

Index: sky/engine/v8_inspector/PromiseTracker.h
diff --git a/sky/engine/v8_inspector/PromiseTracker.h b/sky/engine/v8_inspector/PromiseTracker.h
deleted file mode 100644
index f497496d17e7a9db18cebb24aef68657ede9d0fd..0000000000000000000000000000000000000000
--- a/sky/engine/v8_inspector/PromiseTracker.h
+++ /dev/null
@@ -1,44 +0,0 @@
-// 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.
-
-#ifndef SKY_ENGINE_V8_INSPECTOR_PROMISETRACKER_H_
-#define SKY_ENGINE_V8_INSPECTOR_PROMISETRACKER_H_
-
-#include "sky/engine/wtf/HashMap.h"
-#include "sky/engine/wtf/Noncopyable.h"
-#include "sky/engine/wtf/RefPtr.h"
-#include "sky/engine/wtf/Vector.h"
-#include "v8/include/v8.h"
-
-namespace blink {
-
-class ScriptState;
-
-class PromiseTracker {
-    WTF_MAKE_NONCOPYABLE(PromiseTracker);
-public:
-    PromiseTracker();
-    ~PromiseTracker();
-
-    bool isEnabled() const { return m_isEnabled; }
-    void enable();
-    void disable();
-
-    void clear();
-
-    void didReceiveV8PromiseEvent(ScriptState*, v8::Handle<v8::Object> promise, v8::Handle<v8::Value> parentPromise, int status);
-
-    class PromiseData;
-
-    typedef Vector<RefPtr<PromiseData> > PromiseDataVector;
-    typedef HashMap<int, PromiseDataVector> PromiseDataMap;
-
-private:
-    bool m_isEnabled;
-    PromiseDataMap m_promiseDataMap;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_V8_INSPECTOR_PROMISETRACKER_H_