Plugin Power Saver: Enable JS access to throttled plugins.

components/plugins/renderer/webview_plugin.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 COMPONENTS_PLUGINS_RENDERER_WEBVIEW_PLUGIN_H_
 #define COMPONENTS_PLUGINS_RENDERER_WEBVIEW_PLUGIN_H_
 
 #include <list>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 30 matching lines @@
     // Bind |frame| to a Javascript object, enabling the delegate to receive
     // callback methods from Javascript inside the WebFrame.
     // This method is called from WebFrameClient::didClearWindowObject.
     virtual void BindWebFrame(blink::WebFrame* frame) = 0;
 
     // Called upon a context menu event.
     virtual void ShowContextMenu(const blink::WebMouseEvent&) = 0;
 
     // Called when the WebViewPlugin is destroyed.
     virtual void PluginDestroyed() = 0;
+
+    // Called to enable JavaScript pass-through to an underlying plugin object.

[Bernhard Bauer, 2015/05/07 10:07:13]

Can you add a comment to state that this only works for throttled plugins (which
have been loaded), not for blocked ones (which have not been loaded yet)?

[tommycli, 2015/05/07 17:22:59]

Done.

+    virtual v8::Local<v8::Object> GetV8ScriptableObject(v8::Isolate*) const = 0;
   };
 
   // Convenience method to set up a new WebViewPlugin using |preferences|
   // and displaying |html_data|. |url| should be a (fake) data:text/html URL;
   // it is only used for navigation and never actually resolved.
   static WebViewPlugin* Create(Delegate* delegate,
                                const content::WebPreferences& preferences,
                                const std::string& html_data,
                                const GURL& url);
 
   blink::WebView* web_view() { return web_view_; }
 
   // When loading a plugin document (i.e. a full page plugin not embedded in
   // another page), we save all data that has been received, and replay it with
   // this method on the actual plugin.
   void ReplayReceivedData(blink::WebPlugin* plugin);
 
   void RestoreTitleText();
 
   // WebPlugin methods:
   virtual blink::WebPluginContainer* container() const;
   virtual bool initialize(blink::WebPluginContainer*);
   virtual void destroy();
 
-  virtual NPObject* scriptableObject();
-  virtual struct _NPP* pluginNPP();
-
-  virtual bool getFormValue(blink::WebString& value);
+  virtual v8::Local<v8::Object> v8ScriptableObject(v8::Isolate* isolate);
 
   virtual void layoutIfNeeded() override;
   virtual void paint(blink::WebCanvas* canvas,
                      const blink::WebRect& rect) override;
 
   // Coordinates are relative to the containing window.
   virtual void updateGeometry(
       const blink::WebRect& window_rect,
       const blink::WebRect& clip_rect,
       const blink::WebRect& unobscured_rect,
@@ skipping 73 matching lines @@
 
   blink::WebURLResponse response_;
   std::list<std::string> data_;
   bool finished_loading_;
   scoped_ptr<blink::WebURLError> error_;
   blink::WebString old_title_;
   bool focused_;
 };
 
 #endif  // COMPONENTS_PLUGINS_RENDERER_WEBVIEW_PLUGIN_H_