Basic experimental suborigin CSP directive and SecurityOrigin mods

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 81 matching lines @@
     virtual double timerAlignmentInterval() const = 0;
 
     // Gets the DOMTimerCoordinator which maintains the "active timer
     // list" of tasks created by setTimeout and setInterval. The
     // DOMTimerCoordinator is owned by the ExecutionContext and should
     // not be used after the ExecutionContext is destroyed.
     virtual DOMTimerCoordinator* timers() = 0;
 
     virtual void reportBlockedScriptExecutionToInspector(const String& directiveText) = 0;
 
-    virtual const SecurityContext& securityContext() const = 0;
+    virtual SecurityContext& securityContext() = 0;
     KURL contextURL() const { return virtualURL(); }
     KURL contextCompleteURL(const String& url) const { return virtualCompleteURL(url); }
 
     bool shouldSanitizeScriptError(const String& sourceURL, AccessControlStatus);
     void reportException(PassRefPtrWillBeRawPtr<ErrorEvent>, int scriptId, PassRefPtrWillBeRawPtr<ScriptCallStack>, AccessControlStatus);
 
     virtual void addConsoleMessage(PassRefPtrWillBeRawPtr<ConsoleMessage>) = 0;
     virtual void logExceptionToConsole(const String& errorMessage, int scriptId, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack>) = 0;
 
     PublicURLManager& publicURLManager();
@@ skipping 24 matching lines @@
 
     // Gets the next id in a circular sequence from 1 to 2^31-1.
     int circularSequentialID();
 
     virtual EventTarget* errorEventTarget() = 0;
     virtual EventQueue* eventQueue() const = 0;
 
     void enforceStrictMixedContentChecking() { m_strictMixedContentCheckingEnforced = true; }
     bool shouldEnforceStrictMixedContentChecking() const { return m_strictMixedContentCheckingEnforced; }
 
+    void enforceSuborigin(const String& name);
+    bool hasSuborigin();
+    String suboriginName();
+
     // Methods related to window interaction. It should be used to manage window
     // focusing and window creation permission for an ExecutionContext.
     void allowWindowInteraction();
     void consumeWindowInteraction();
     bool isWindowInteractionAllowed() const;
 
     // Decides whether this context is privileged, as described in
     // https://w3c.github.io/webappsec/specs/powerfulfeatures/#settings-privileged.
     virtual bool isPrivilegedContext(String& errorMessage, const PrivilegeContextCheck = StandardPrivilegeCheck) const = 0;
 
@@ skipping 38 matching lines @@
 
     Deque<OwnPtr<SuspendableTask>> m_suspendedTasks;
     bool m_isRunSuspendableTasksScheduled;
 
     ReferrerPolicy m_referrerPolicy;
 };
 
 } // namespace blink
 
 #endif // ExecutionContext_h