Remove DevTools instrumentation of Blink promises.

Source/core/inspector/InspectorInstrumentation.idl

Index: Source/core/inspector/InspectorInstrumentation.idl
diff --git a/Source/core/inspector/InspectorInstrumentation.idl b/Source/core/inspector/InspectorInstrumentation.idl
index 52f01b21b2c93290b1bc75e3f26986a322627df2..54fb115511e55ceaafcf8de1c6158314987b9303 100644
--- a/Source/core/inspector/InspectorInstrumentation.idl
+++ b/Source/core/inspector/InspectorInstrumentation.idl
@@ -505,31 +505,3 @@ interface InspectorCanvasInstrumentation {
     [Canvas]
     ScriptObject wrapWebGLRenderingContextForInstrumentation(Document*, const ScriptObject&);
 }
-
-
-interface InspectorPromiseInstrumentation {
-
-#include "bindings/v8/custom/V8PromiseCustom.h"
-#include "bindings/v8/ScriptObject.h"
-
-    [Debugger, Inline=FastReturn]
-    void didPostPromiseTask([Keep] ExecutionContext*, ExecutionContextTask*, bool isResolved);
-
-    [Debugger, Inline=FastReturn]
-    InspectorInstrumentationCookie willPerformPromiseTask([Keep] ExecutionContext*, ExecutionContextTask*);
-
-    [Debugger, Inline=FastReturn]
-    void didPerformPromiseTask(const InspectorInstrumentationCookie&);
-
-    [Debugger, Inline=FastReturn]
-    bool isPromiseTrackerEnabled(ExecutionContext*);
-
-    [Debugger, Inline=FastReturn]
-    void didCreatePromise(ExecutionContext*, const ScriptObject& promise);
-
-    [Debugger, Inline=FastReturn]
-    void didUpdatePromiseParent(ExecutionContext*, const ScriptObject& promise, const ScriptObject& parentPromise);
-
-    [Debugger, Inline=FastReturn]
-    void didUpdatePromiseState(ExecutionContext*, const ScriptObject& promise, V8PromiseCustom::PromiseState, const ScriptValue& result);
-}