Share PPAPI out-of-process plugins between renderer processes....

chrome/browser/renderer_host/render_message_filter.h

Index: chrome/browser/renderer_host/render_message_filter.h
===================================================================
--- chrome/browser/renderer_host/render_message_filter.h	(revision 74733)
+++ chrome/browser/renderer_host/render_message_filter.h	(working copy)
@@ -34,7 +34,6 @@
 class HostContentSettingsMap;
 class HostZoomMap;
 class NotificationsPrefsCache;
-class PpapiPluginProcessHost;
 class Profile;
 class RenderWidgetHelper;
 class URLRequestContextGetter;
@@ -410,9 +409,6 @@
 
   base::TimeTicks last_plugin_refresh_time_;  // Initialized to 0.
 
-  // A list of all Ppapi plugin processes for this renderer.
-  std::vector<linked_ptr<PpapiPluginProcessHost> > ppapi_plugin_hosts_;
-
   scoped_refptr<WebKitContext> webkit_context_;
 
   int render_process_id_;