npapi plugins: Make sure WebPlugin has no key functions on mac.

webkit/plugins/npapi/webplugin_impl.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.
 
 #ifndef WEBKIT_PLUGINS_NPAPI_WEBPLUGIN_IMPL_H_
 #define WEBKIT_PLUGINS_NPAPI_WEBPLUGIN_IMPL_H_
 
 #include <string>
 #include <map>
 #include <vector>
@@ skipping 95 matching lines @@
   virtual NPObject* GetPluginElement() OVERRIDE;
   virtual bool FindProxyForUrl(const GURL& url,
                                std::string* proxy_list) OVERRIDE;
   virtual void SetCookie(const GURL& url,
                          const GURL& first_party_for_cookies,
                          const std::string& cookie) OVERRIDE;
   virtual std::string GetCookies(const GURL& url,
                                  const GURL& first_party_for_cookies) OVERRIDE;
   virtual void URLRedirectResponse(bool allow, int resource_id) OVERRIDE;
 #if defined(OS_MACOSX)
+  virtual WebPluginAcceleratedSurface* GetAcceleratedSurface(
+      gfx::GpuPreference gpu_preference) OVERRIDE;
   virtual void AcceleratedPluginEnabledRendering() OVERRIDE;
   virtual void AcceleratedPluginAllocatedIOSurface(int32 width,
                                                    int32 height,
                                                    uint32 surface_id) OVERRIDE;
   virtual void AcceleratedPluginSwappedIOSurface() OVERRIDE;
 #endif
 
   // Given a (maybe partial) url, completes using the base url.
   GURL CompleteURL(const char* url);
 
@@ skipping 189 matching lines @@
 
   base::WeakPtrFactory<WebPluginImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebPluginImpl);
 };
 
 }  // namespace npapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_NPAPI_WEBPLUGIN_IMPL_H_