[Experimental Framework] Make the OriginTrialContext a member of ExecutionContext

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

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2012 Google Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 35 matching lines @@
 namespace blink {
 
 class ActiveDOMObject;
 class ConsoleMessage;
 class DOMTimerCoordinator;
 class ErrorEvent;
 class EventQueue;
 class EventTarget;
 class ExecutionContextTask;
 class LocalDOMWindow;
+class OriginTrialContext;
 class PublicURLManager;
 class SecurityOrigin;
 class ScriptCallStack;
 
 class CORE_EXPORT ExecutionContext
     : public ContextLifecycleNotifier, public WillBeHeapSupplementable<ExecutionContext> {
     WTF_MAKE_NONCOPYABLE(ExecutionContext);
 public:
     DECLARE_VIRTUAL_TRACE();
 
@@ skipping 82 matching lines @@
     bool isWindowInteractionAllowed() const;
 
     // Decides whether this context is privileged, as described in
     // https://w3c.github.io/webappsec/specs/powerfulfeatures/#settings-privileged.
     virtual bool isSecureContext(String& errorMessage, const SecureContextCheck = StandardSecureContextCheck) const = 0;
     virtual bool isSecureContext(const SecureContextCheck = StandardSecureContextCheck) const;
 
     virtual void setReferrerPolicy(ReferrerPolicy);
     ReferrerPolicy getReferrerPolicy() const { return m_referrerPolicy; }
 
+    // Override to enable experimental features through origin trials
+    virtual PassOwnPtrWillBeRawPtr<OriginTrialContext> createOriginTrialContext();
+
 protected:
     ExecutionContext();
     virtual ~ExecutionContext();
 
     virtual const KURL& virtualURL() const = 0;
     virtual KURL virtualCompleteURL(const String&) const = 0;
 
 private:
     bool dispatchErrorEvent(PassRefPtrWillBeRawPtr<ErrorEvent>, AccessControlStatus);
     void runSuspendableTasks();
@@ skipping 23 matching lines @@
 
     Deque<OwnPtr<SuspendableTask>> m_suspendedTasks;
     bool m_isRunSuspendableTasksScheduled;
 
     ReferrerPolicy m_referrerPolicy;
 };
 
 } // namespace blink
 
 #endif // ExecutionContext_h