Remove NPAPI support for form data

content/child/npapi/plugin_instance.h

 // Copyright (c) 2012 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.
 
 // TODO: Need to deal with NPAPI's NPSavedData.
 //       I haven't seen plugins use it yet.
 
 #ifndef CONTENT_CHILD_NPAPI_PLUGIN_INSTANCE_H_
 #define CONTENT_CHILD_NPAPI_PLUGIN_INSTANCE_H_
 
@@ skipping 97 matching lines @@
   // relative to the upper left of the screen.
   void set_window_frame(const gfx::Rect& frame) {
     containing_window_frame_ = frame;
   }
 #endif
 
   // Returns the WebPluginResourceClient object for a stream that has become
   // seekable.
   WebPluginResourceClient* GetRangeRequest(int id);
 
-  // Returns the form value of this instance.
-  bool GetFormValue(base::string16* value);
-
   // If true, send the Mozilla user agent instead of Chrome's to the plugin.
   bool use_mozilla_user_agent() { return use_mozilla_user_agent_; }
   void set_use_mozilla_user_agent() { use_mozilla_user_agent_ = true; }
 
   // If the plugin instance is backed by a texture, return its ID in the
   // compositor's namespace. Otherwise return 0. Returns 0 by default.
   unsigned GetBackingTextureId();
 
   // Helper that implements NPN_PluginThreadAsyncCall semantics
   void PluginThreadAsyncCall(void (*func)(void *),
@@ skipping 137 matching lines @@
 
  private:
   scoped_refptr<PluginInstance> instance_;
   DISALLOW_COPY_AND_ASSIGN(ScopedCurrentPluginEvent);
 };
 #endif
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_NPAPI_PLUGIN_INSTANCE_H_