[DevTools] Remove promise inspector experiment

third_party/WebKit/Source/platform/v8_inspector/PromiseTracker.h

-// 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 PromiseTracker_h
-#define PromiseTracker_h
-
-#include "platform/inspector_protocol/Allocator.h"
-#include "platform/inspector_protocol/Collections.h"
-#include "platform/inspector_protocol/Frontend.h"
-#include "platform/inspector_protocol/TypeBuilder.h"
-#include "wtf/PassOwnPtr.h"
-#include <v8.h>
-
-namespace blink {
-
-class V8DebuggerAgentImpl;
-
-class PromiseTracker final {
-    PROTOCOL_DISALLOW_COPY(PromiseTracker);
-public:
-    static PassOwnPtr<PromiseTracker> create(V8DebuggerAgentImpl* agent, v8::Isolate* isolate)
-    {
-        return adoptPtr(new PromiseTracker(agent, isolate));
-    }
-
-    ~PromiseTracker();
-
-    bool isEnabled() const { return m_isEnabled; }
-    void setEnabled(bool enabled, bool captureStacks);
-    void clear();
-    void didReceiveV8PromiseEvent(v8::Local<v8::Context>, v8::Local<v8::Object> promise, v8::Local<v8::Value> parentPromise, int status);
-    v8::Local<v8::Object> promiseById(int promiseId);
-
-private:
-    class PromiseWrapper;
-    static void weakCallback(const v8::WeakCallbackInfo<PromiseWrapper>& data);
-
-    PromiseTracker(V8DebuggerAgentImpl*, v8::Isolate*);
-
-    int circularSequentialId();
-    int promiseId(v8::Local<v8::Object> promise, bool* isNewPromise);
-    void promiseCollected(int id);
-
-    int m_circularSequentialId;
-    bool m_isEnabled;
-    bool m_captureStacks;
-    V8DebuggerAgentImpl* m_agent;
-
-    v8::Isolate* m_isolate;
-    v8::Persistent<v8::NativeWeakMap> m_promiseToId;
-
-    protocol::HashMap<int, OwnPtr<PromiseWrapper>> m_idToPromise;
-};
-
-} // namespace blink
-
-#endif // !defined(PromiseTracker_h)