Make canNavigate() OOPI-friendly

Source/core/dom/ExecutionContext.cpp

 /*
  * 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 50 matching lines @@
     }
     String m_errorMessage;
     int m_lineNumber;
     int m_columnNumber;
     int m_scriptId;
     String m_sourceURL;
     RefPtrWillBeMember<ScriptCallStack> m_callStack;
 };
 
 ExecutionContext::ExecutionContext()
-    : m_sandboxFlags(SandboxNone)
-    , m_circularSequentialID(0)
+    : m_circularSequentialID(0)
     , m_timerNestingLevel(0)
     , m_inDispatchErrorEvent(false)
     , m_activeDOMObjectsAreSuspended(false)
     , m_activeDOMObjectsAreStopped(false)
     , m_windowFocusTokens(0)
 {
 }
 
 ExecutionContext::~ExecutionContext()
 {
@@ skipping 172 matching lines @@
 ContextLifecycleNotifier& ExecutionContext::lifecycleNotifier()
 {
     return static_cast<ContextLifecycleNotifier&>(LifecycleContext<ExecutionContext>::lifecycleNotifier());
 }
 
 bool ExecutionContext::isIteratingOverObservers() const
 {
     return m_lifecycleNotifier && m_lifecycleNotifier->isIteratingOverObservers();
 }
 
-void ExecutionContext::enforceSandboxFlags(SandboxFlags mask)
-{
-    m_sandboxFlags |= mask;
-
-    // The SandboxOrigin is stored redundantly in the security origin.
-    if (isSandboxed(SandboxOrigin) && securityContext().securityOrigin() && !securityContext().securityOrigin()->isUnique()) {
-        securityContext().setSecurityOrigin(SecurityOrigin::createUnique());
-        didUpdateSecurityOrigin();
-    }
-}
-
 void ExecutionContext::allowWindowFocus()
 {
     ++m_windowFocusTokens;
 }
 
 void ExecutionContext::consumeWindowFocus()
 {
     if (m_windowFocusTokens == 0)
         return;
     --m_windowFocusTokens;
@@ skipping 12 matching lines @@
 #if ENABLE(OILPAN)
     visitor->trace(m_pendingExceptions);
     visitor->trace(m_publicURLManager);
     visitor->trace(m_timeouts);
     HeapSupplementable<ExecutionContext>::trace(visitor);
 #endif
     LifecycleContext<ExecutionContext>::trace(visitor);
 }
 
 } // namespace blink