Support Promises instrumentation on backend.

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 a5f935d818c91e23a16bc650516a5a377d704c97..07211b8fa1787c3b9c32c381be417a5412e4a593 100644
--- a/Source/core/inspector/InspectorInstrumentation.idl
+++ b/Source/core/inspector/InspectorInstrumentation.idl
@@ -190,15 +190,6 @@ interface InspectorInstrumentation {
     [Debugger, Inline=FastReturn]
     void didDeliverMutationRecords(ExecutionContext*);
 
-    [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&);
-
     [Timeline, Inline=FastReturn]
     InspectorInstrumentationCookie willEvaluateScript([Keep] LocalFrame*, const String& url, int lineNumber);
 
@@ -522,3 +513,31 @@ 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);
+}