Throw when blocking top-level navigation.

third_party/WebKit/Source/core/frame/Location.h

 /*
  * Copyright (C) 2008, 2010 Apple 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 40 matching lines @@
     DEFINE_WRAPPERTYPEINFO();
 public:
     static Location* create(Frame* frame)
     {
         return new Location(frame);
     }
 
     Frame* frame() const { return m_frame.get(); }
     void reset() { m_frame = nullptr; }
 
-    void setHref(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&);
+    void setHref(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&, ExceptionState&);
     String href() const;
 
     void assign(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&, ExceptionState&);
     void replace(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&, ExceptionState&);
     void reload(LocalDOMWindow* currentWindow);
 
     void setProtocol(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&, ExceptionState&);
     String protocol() const;
-    void setHost(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&);
+    void setHost(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&, ExceptionState&);
     String host() const;
-    void setHostname(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&);
+    void setHostname(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&, ExceptionState&);
     String hostname() const;
-    void setPort(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&);
+    void setPort(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&, ExceptionState&);
     String port() const;
-    void setPathname(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&);
+    void setPathname(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&, ExceptionState&);
     String pathname() const;
-    void setSearch(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&);
+    void setSearch(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&, ExceptionState&);
     String search() const;
-    void setHash(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&);
+    void setHash(LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, const String&, ExceptionState&);
     String hash() const;
     String origin() const;
 
     DOMStringList* ancestorOrigins() const;
 
     // Just return the |this| object the way the normal valueOf function on the Object prototype would.
     // The valueOf function is only added to make sure that it cannot be overwritten on location
     // objects, since that would provide a hook to change the string conversion behavior of location objects.
     ScriptValue valueOf(const ScriptValue& thisObject) { return thisObject; }
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     explicit Location(Frame*);
 
     enum class SetLocation { Normal, ReplaceThisFrame };
     void setLocation(const String&, LocalDOMWindow* currentWindow, LocalDOMWindow* enteredWindow, ExceptionState* = nullptr, SetLocation = SetLocation::Normal);
 
     const KURL& url() const;
 
     Member<Frame> m_frame;
 };
 
 } // namespace blink
 
 #endif // Location_h