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

chrome/plugin/webplugin_proxy.h

 // Copyright (c) 2006-2008 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 CHROME_PLUGIN_PLUGIN_WEBPLUGIN_PROXY_H__
 #define CHROME_PLUGIN_PLUGIN_WEBPLUGIN_PROXY_H__
 
 #include <string>
 
 #include "base/hash_tables.h"
@@ skipping 19 matching lines @@
 class WebPluginProxy : public WebPlugin {
  public:
   // Creates a new proxy for WebPlugin, using the given sender to send the
   // marshalled WebPlugin calls.
   WebPluginProxy(PluginChannel* channel,
                  int route_id,
                  WebPluginDelegate* delegate);
   ~WebPluginProxy();
 
   // WebPlugin overrides
+#if defined(OS_LINUX)
+  gfx::PluginWindowHandle CreatePluginContainer() {
+    return 0;  // Temporary empty stub while we restructure test_shell.
+  }
+#endif
   void SetWindow(gfx::PluginWindowHandle window);
   void WillDestroyWindow(gfx::PluginWindowHandle window);
 #if defined(OS_WIN)
   void SetWindowlessPumpEvent(HANDLE pump_messages_event);
   // Returns true on success.
   bool SetModalDialogEvent(HANDLE modal_dialog_event);
 #endif
   void CancelResource(int id);
   void Invalidate();
   void InvalidateRect(const gfx::Rect& rect);
@@ skipping 116 matching lines @@
   // These hold the bitmap of the background image.
   ScopedHandle background_shared_section_;
   ScopedBitmap background_bitmap_;
   ScopedHDC background_hdc_;
 #endif
 
   ScopedRunnableMethodFactory<WebPluginProxy> runnable_method_factory_;
 };
 
 #endif  // CHROME_PLUGIN_PLUGIN_WEBPLUGIN_PROXY_H__