Move securityCheck out of V8WrapperInstantiationScope

third_party/WebKit/Source/bindings/core/v8/BindingSecurity.h

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 26 matching lines @@
 
 namespace blink {
 
 class DOMWindow;
 class EventTarget;
 class ExceptionState;
 class Frame;
 class LocalDOMWindow;
 class Location;
 class Node;
+struct WrapperTypeInfo;
 
 class CORE_EXPORT BindingSecurity {
   STATIC_ONLY(BindingSecurity);
 
  public:
   enum class ErrorReportOption {
     kDoNotReport,
     kReport,
   };
 
@@ skipping 54 matching lines @@
                                        const Frame* target,
                                        ErrorReportOption);
   // This overload must be used only for detached windows.
   static bool ShouldAllowAccessToDetachedWindow(
       const LocalDOMWindow* accessing_window,
       const DOMWindow* target,
       ExceptionState&);
 
   static void FailedAccessCheckFor(v8::Isolate*, const Frame* target);
 
+  // The following two functions were written to be called by
+  // V8WrapperInstantiationScope before entering and after exiting an object's
+  // creation context during wrapper creation.
+
+  // Returns true if the current context has access to creationContext, and
+  // throws a SecurityError if it doesn't have access.
+  static bool ShouldAllowAccessToCreationContext(
+      v8::Local<v8::Context> creation_context,
+      const WrapperTypeInfo*);
+
+  static void RethrowCrossContextException(
+      v8::Local<v8::Context> creation_context,
+      const WrapperTypeInfo*,
+      v8::Local<v8::Value> cross_context_exception);
+
+  static void InitWrapperCreationSecurityCheck();
+
  private:
   // Returns true if |accessingWindow| is allowed named access to |targetWindow|
   // because they're the same origin.  Note that named access should be allowed
   // even if they're cross origin as long as the browsing context name matches
   // the browsing context container's name.
   //
   // Unlike shouldAllowAccessTo, this function returns true even when
   // |accessingWindow| or |targetWindow| is a RemoteDOMWindow, but remember that
   // only limited operations are allowed on a RemoteDOMWindow.
   //
   // This function should be only used from V8Window::namedPropertyGetterCustom.
   friend class V8Window;
   static bool ShouldAllowNamedAccessTo(const DOMWindow* accessing_window,
                                        const DOMWindow* target_window);
 };
 
 }  // namespace blink
 
 #endif  // BindingSecurity_h