Treat loads of invalid URLs as no-ops unless triggered by window.open.

ios/web/public/web_state/web_state.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_H_
 #define IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 43 matching lines @@
  public:
   // Parameters for the Create() method.
   struct CreateParams {
     explicit CreateParams(web::BrowserState* browser_state);
     ~CreateParams();
 
     // The corresponding BrowserState for the new WebState.
     web::BrowserState* browser_state;
 
     // Whether the WebState is created as the result of a window.open or by
-    // clicking a link with a blank targer.  Used to determin whether the
+    // clicking a link with a blank target.  Used to determine whether the
     // WebState is allowed to be closed via window.close().
     bool created_with_opener;
   };
 
   // Parameters for the OpenURL() method.
   struct OpenURLParams {
     OpenURLParams(const GURL& url,
                   const Referrer& referrer,
                   WindowOpenDisposition disposition,
                   ui::PageTransition transition,
@@ skipping 193 matching lines @@
 
   // Returns a WeakPtr<WebState> to the current WebState. Must remain private
   // and only call must be in WebStateWeakPtrFactory. Please consult that class
   // for more details. Remove as part of http://crbug.com/556736.
   virtual base::WeakPtr<WebState> AsWeakPtr() = 0;
 };
 
 }  // namespace web
 
 #endif  // IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_H_