Linux: work around the fact that the download dialog has not been ported....

chrome/browser/renderer_host/render_view_host.h

 // Copyright (c) 2009 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_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 416 matching lines @@
   void CreateNewWidget(int route_id, bool activatable);
 
   // Senf the response to an extension api call.
   void SendExtensionResponse(int request_id, bool success,
                              const std::string& response,
                              const std::string& error);
 
  protected:
   // RenderWidgetHost protected overrides.
   virtual void UnhandledKeyboardEvent(const NativeWebKeyboardEvent& event);
-  virtual void OnEnterOrSpace();
+  virtual void OnUserGesture();
   virtual void NotifyRendererUnresponsive();
   virtual void NotifyRendererResponsive();
 
   // IPC message handlers.
   void OnMsgShowView(int route_id,
                      WindowOpenDisposition disposition,
                      const gfx::Rect& initial_pos,
                      bool user_gesture,
                      const GURL& creator_url);
   void OnMsgShowWidget(int route_id, const gfx::Rect& initial_pos);
@@ skipping 184 matching lines @@
   // not an extension.
   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
 
   // True if the render view can be shut down suddenly.
   bool sudden_termination_allowed_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHost);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_