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

chrome/browser/renderer_host/render_widget_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_WIDGET_HOST_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_
 
 #include <queue>
 #include <vector>
 
@@ skipping 257 matching lines @@
   // consistent if a new renderer is created.
   void RendererExited();
 
   // Retrieves the native view used to contain plugins.
   gfx::NativeViewId GetPluginNativeViewId();
 
   // Called when we an InputEvent was not processed by the renderer. This is
   // overridden by RenderView to send upwards to its delegate.
   virtual void UnhandledKeyboardEvent(const NativeWebKeyboardEvent& event) {}
 
-  // Notification that the user pressed the enter key or the spacebar. The
-  // render view host overrides this to forward the information to its delegate
-  // (see corresponding function in RenderViewHostDelegate).
-  virtual void OnEnterOrSpace() {}
+  // Notification that the user has made some kind of input that could
+  // perform an action. The render view host overrides this to forward the
+  // information to its delegate (see corresponding function in
+  // RenderViewHostDelegate). The gestures that count are 1) any mouse down
+  // event and 2) enter or space key presses.
+  virtual void OnUserGesture() {}
 
   // Callbacks for notification when the renderer becomes unresponsive to user
   // input events, and subsequently responsive again. RenderViewHost overrides
   // these to tell its delegate to show the user a warning.
   virtual void NotifyRendererUnresponsive() {}
   virtual void NotifyRendererResponsive() {}
 
  protected:
   // true if a renderer has once been valid. We use this flag to display a sad
   // tab only when we lose our renderer and not if a paint occurs during
@@ skipping 130 matching lines @@
 
   // Set when we cancel updating the text direction.
   // This flag also ignores succeeding update requests until we call
   // NotifyTextDirection().
   bool text_direction_canceled_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHost);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_