Inject CanAddURLToHistory into TopSitesImpl

content/child/npapi/webplugin_delegate_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 CONTENT_CHILD_NPAPI_WEBPLUGIN_DELEGATE_IMPL_H_
 #define CONTENT_CHILD_NPAPI_WEBPLUGIN_DELEGATE_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 419 matching lines @@
   // Handle to the message filter hook
   HHOOK handle_event_message_filter_hook_;
 
   // Event which is set when the plugin enters a modal loop in the course
   // of a NPP_HandleEvent call.
   HANDLE handle_event_pump_messages_event_;
 
   // This flag indicates whether we started tracking a user gesture message.
   bool user_gesture_message_posted_;
 
-  // Runnable Method Factory used to invoke the OnUserGestureEnd method
-  // asynchronously.
-  base::WeakPtrFactory<WebPluginDelegateImpl> user_gesture_msg_factory_;
-
   // Handle to the mouse hook installed for certain windowed plugins like
   // flash.
   HHOOK mouse_hook_;
 #endif
 
   // Holds the depth of the HandleEvent callstack.
   int handle_event_depth_;
 
   // Holds the current cursor set by the windowless plugin.
   WebCursor current_windowless_cursor_;
 
   // Set to true initially and indicates if this is the first npp_setwindow
   // call received by the plugin.
   bool first_set_window_call_;
 
   // True if the plugin thinks it has keyboard focus
   bool plugin_has_focus_;
   // True if the plugin element has focus within the web content, regardless of
   // whether its containing view currently has focus.
   bool has_webkit_focus_;
   // True if the containing view currently has focus.
   // Initially set to true so that plugin focus still works in environments
   // where SetContentAreaHasFocus is never called. See
   // https://bugs.webkit.org/show_bug.cgi?id=46013 for details.
   bool containing_view_has_focus_;
 
   // True if NPP_New did not return an error.
   bool creation_succeeded_;
 
+#if defined(OS_WIN)
+  // Runnable Method Factory used to invoke the OnUserGestureEnd method
+  // asynchronously.
+  base::WeakPtrFactory<WebPluginDelegateImpl> user_gesture_msg_factory_;
+#endif
+
   DISALLOW_COPY_AND_ASSIGN(WebPluginDelegateImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_NPAPI_WEBPLUGIN_DELEGATE_IMPL_H_