Remove DevTools instrumentation of Blink promises.

Source/core/inspector/InspectorDebuggerAgent.h

Index: Source/core/inspector/InspectorDebuggerAgent.h
diff --git a/Source/core/inspector/InspectorDebuggerAgent.h b/Source/core/inspector/InspectorDebuggerAgent.h
index f3b9959fef0cd902db43075fcc4a09a1f0be6691..c42e5b958c0ca59c5ee41a113714b343c5c74fa0 100644
--- a/Source/core/inspector/InspectorDebuggerAgent.h
+++ b/Source/core/inspector/InspectorDebuggerAgent.h
@@ -37,7 +37,6 @@
 #include "core/inspector/ConsoleAPITypes.h"
 #include "core/inspector/InjectedScript.h"
 #include "core/inspector/InspectorBaseAgent.h"
-#include "core/inspector/PromiseTracker.h"
 #include "core/inspector/ScriptBreakpoint.h"
 #include "core/inspector/ScriptDebugListener.h"
 #include "wtf/Forward.h"
@@ -51,7 +50,6 @@ namespace WebCore {
 class Document;
 class EventListener;
 class EventTarget;
-class ExecutionContextTask;
 class FormData;
 class HTTPHeaderMap;
 class InjectedScriptManager;
@@ -160,13 +158,6 @@ public:
     void didClearAllMutationRecords(ExecutionContext*, MutationObserver*);
     void willDeliverMutationRecords(ExecutionContext*, MutationObserver*);
     void didDeliverMutationRecords();
-    void didPostPromiseTask(ExecutionContext*, ExecutionContextTask*, bool isResolved);
-    void willPerformPromiseTask(ExecutionContext*, ExecutionContextTask*);
-    void didPerformPromiseTask();
-    bool isPromiseTrackerEnabled();
-    void didCreatePromise(const ScriptObject& promise);
-    void didUpdatePromiseParent(const ScriptObject& promise, const ScriptObject& parentPromise);
-    void didUpdatePromiseState(const ScriptObject& promise, V8PromiseCustom::PromiseState, const ScriptValue& result);
     bool canBreakProgram();
     void breakProgram(InspectorFrontend::Debugger::Reason::Enum breakReason, PassRefPtr<JSONObject> data);
     void scriptExecutionBlockedByCSP(const String& directiveText);
@@ -254,7 +245,6 @@ private:
     bool m_skipAllPauses;
     OwnPtr<ScriptRegexp> m_cachedSkipStackRegExp;
     AsyncCallStackTracker m_asyncCallStackTracker;
-    PromiseTracker m_promiseTracker;
 };
 
 } // namespace WebCore