Make ExecutionContext aware about how it can return CoreProbeSink

third_party/WebKit/Source/core/dom/ExecutionContext.h

Index: third_party/WebKit/Source/core/dom/ExecutionContext.h
diff --git a/third_party/WebKit/Source/core/dom/ExecutionContext.h b/third_party/WebKit/Source/core/dom/ExecutionContext.h
index f4c1aedbda219adf3835150714039930425fbb94..a93d37c27275b56119989325714aa655e65ac403 100644
--- a/third_party/WebKit/Source/core/dom/ExecutionContext.h
+++ b/third_party/WebKit/Source/core/dom/ExecutionContext.h
@@ -43,14 +43,15 @@
 
 namespace blink {
 
-class SuspendableObject;
 class ConsoleMessage;
+class CoreProbeSink;
 class DOMTimerCoordinator;
 class ErrorEvent;
 class EventQueue;
 class EventTarget;
 class ExecutionContextTask;
 class LocalDOMWindow;
+class SuspendableObject;
 class PublicURLManager;
 class SecurityOrigin;
 class ScriptState;
@@ -192,6 +193,8 @@ class CORE_EXPORT ExecutionContext : public ContextLifecycleNotifier,
   void SetReferrerPolicy(ReferrerPolicy);
   virtual ReferrerPolicy GetReferrerPolicy() const { return referrer_policy_; }
 
+  virtual CoreProbeSink* GetInstrumentingAgents() { return nullptr; }

[dgozman, 2017/04/28 00:06:38]

Let's call this GetProbeSink. @alph: we should rename from instrumenting agents
elsewhere.

[kinuko, 2017/04/28 03:16:26]

Done.

+
  protected:
   ExecutionContext();
   virtual ~ExecutionContext();