linux: only create browser-side plugin container after plugin requests it

webkit/glue/webplugin_impl.h

Index: webkit/glue/webplugin_impl.h
diff --git a/webkit/glue/webplugin_impl.h b/webkit/glue/webplugin_impl.h
index 7d51f399320b7f7ccf59801fb02568e1fcff452e..b81e8a9dfefc1e15626c73c29643ef0698af6d7d 100644
--- a/webkit/glue/webplugin_impl.h
+++ b/webkit/glue/webplugin_impl.h
@@ -113,7 +113,7 @@ class WebPluginContainer : public WebCore::Widget {
 };
 
 // This is the WebKit side of the plugin implementation that forwards calls,
-// after changing out of WebCore types, to a delegate.  The delegate will
+// after changing out of WebCore types, to a delegate.  The delegate may
 // be in a different process.
 class WebPluginImpl : public WebPlugin,
                       public WebKit::WebURLLoaderClient {
@@ -148,6 +148,9 @@ class WebPluginImpl : public WebPlugin,
                 int arg_count, char** arg_names, char** arg_values);
 
   // WebPlugin implementation:
+#if defined(OS_LINUX)
+  gfx::PluginWindowHandle CreatePluginContainer();
+#endif
   void SetWindow(gfx::PluginWindowHandle window);
   void WillDestroyWindow(gfx::PluginWindowHandle window);
 #if defined(OS_WIN)