Track NPObject ownership by the originating plugins' NPP identifier. [2/3] (Chrome)

content/renderer/browser_plugin/browser_plugin.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  CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_H_
 #define  CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_H_
 
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPlugin.h"
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 156 matching lines @@
   void DidCommitCompositorFrame();
 
   // Returns whether a message should be forwarded to BrowserPlugin.
   static bool ShouldForwardToBrowserPlugin(const IPC::Message& message);
 
   // WebKit::WebPlugin implementation.
   virtual WebKit::WebPluginContainer* container() const OVERRIDE;
   virtual bool initialize(WebKit::WebPluginContainer* container) OVERRIDE;
   virtual void destroy() OVERRIDE;
   virtual NPObject* scriptableObject() OVERRIDE;
+  virtual struct _NPP* pluginNPP() OVERRIDE;
   virtual bool supportsKeyboardFocus() const OVERRIDE;
   virtual bool canProcessDrag() const OVERRIDE;
   virtual void paint(
       WebKit::WebCanvas* canvas,
       const WebKit::WebRect& rect) OVERRIDE;
   virtual void updateGeometry(
       const WebKit::WebRect& frame_rect,
       const WebKit::WebRect& clip_rect,
       const WebKit::WebVector<WebKit::WebRect>& cut_outs_rects,
       bool is_visible) OVERRIDE;
@@ skipping 247 matching lines @@
   // will change after a navigation (e.g., for back, forward, or go), because
   // the changes are not always obvious.  For example, there is a maximum
   // number of entries and earlier ones will automatically be pruned.
   int current_nav_entry_index_;
   int nav_entry_count_;
 
   // Used for HW compositing.
   bool compositing_enabled_;
   scoped_refptr<BrowserPluginCompositingHelper> compositing_helper_;
 
+  // Used to identify the plugin to WebBindings.
+  scoped_ptr<struct _NPP> npp_;
+
   // Weak factory used in v8 |MakeWeak| callback, since the v8 callback might
   // get called after BrowserPlugin has been destroyed.
   base::WeakPtrFactory<BrowserPlugin> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPlugin);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_H_