Remove DevTools instrumentation of Blink promises.

Source/core/inspector/PromiseTracker.h

Index: Source/core/inspector/PromiseTracker.h
diff --git a/Source/core/inspector/PromiseTracker.h b/Source/core/inspector/PromiseTracker.h
deleted file mode 100644
index 150930d7e361dfd1b5df6a8e47963ffecfa714c1..0000000000000000000000000000000000000000
--- a/Source/core/inspector/PromiseTracker.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Copyright (C) 2014 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef PromiseTracker_h
-#define PromiseTracker_h
-
-#include "bindings/v8/custom/V8PromiseCustom.h"
-#include "bindings/v8/ScriptObjectTraits.h"
-#include "core/inspector/ScriptCallStack.h"
-#include "wtf/HashMap.h"
-#include "wtf/Noncopyable.h"
-#include "wtf/RefPtr.h"
-
-namespace WebCore {
-
-class ExecutionContext;
-
-class PromiseTracker {
-    WTF_MAKE_NONCOPYABLE(PromiseTracker);
-public:
-    PromiseTracker() : m_isEnabled(false) { }
-
-    bool isEnabled() const { return m_isEnabled; }
-    void enable();
-    void disable();
-
-    void clear();
-
-    void didCreatePromise(const ScriptObject& promise);
-    void didUpdatePromiseParent(const ScriptObject& promise, const ScriptObject& parentPromise);
-    void didUpdatePromiseState(const ScriptObject& promise, V8PromiseCustom::PromiseState, const ScriptValue& result);
-
-private:
-    class PromiseData : public RefCounted<PromiseData> {
-    public:
-        PromiseData(const ScriptObject& promise, const ScriptObject& parentPromise, const ScriptValue& result, V8PromiseCustom::PromiseState state, double timestamp);
-
-        void didSettlePromise(double timestamp);
-
-        ScriptObject m_promise;
-        ScriptObject m_parentPromise;
-        ScriptValue m_result;
-        V8PromiseCustom::PromiseState m_state;
-
-        // Time in milliseconds.
-        double m_timeOnCreate;
-        double m_timeOnSettle;
-
-        RefPtr<ScriptCallStack> m_callStackOnCreate;
-        RefPtr<ScriptCallStack> m_callStackOnSettle;
-    };
-
-    bool m_isEnabled;
-    typedef HashMap<ScriptObject, RefPtr<PromiseData>, ScriptObjectHash, ScriptObjectHashTraits> PromiseDataMap;
-    PromiseDataMap m_promiseDataMap;
-};
-
-} // namespace WebCore
-
-#endif // !defined(PromiseTracker_h)