Remove NPAPI support for form data

content/child/npapi/webplugin_delegate.h

 // Copyright (c) 2011 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 CONTENT_CHILD_NPAPI_WEBPLUGIN_DELEGATE_H_
 #define CONTENT_CHILD_NPAPI_WEBPLUGIN_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 59 matching lines @@
   // Informs the plugin that it has gained or lost focus. This is only called in
   // windowless mode.
   virtual void SetFocus(bool focused) = 0;
 
   // For windowless plugins, gives them a user event like mouse/keyboard.
   // Returns whether the event was handled. This is only called in windowsless
   // mode. See NPAPI NPP_HandleEvent for more information.
   virtual bool HandleInputEvent(const blink::WebInputEvent& event,
                                 WebCursor::CursorInfo* cursor) = 0;
 
-  // Gets the form value associated with the plugin instance.
-  // Returns false if the value is not available.
-  virtual bool GetFormValue(base::string16* value) = 0;
-
   // Returns the process id of the process that is running the plugin.
   virtual int GetProcessId() = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_NPAPI_WEBPLUGIN_DELEGATE_H_