diff options
| -rw-r--r-- | chrome/browser/renderer_host/render_widget_host_view_win.cc | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/chrome/browser/renderer_host/render_widget_host_view_win.cc b/chrome/browser/renderer_host/render_widget_host_view_win.cc index 4459d26..2c19e7e 100644 --- a/chrome/browser/renderer_host/render_widget_host_view_win.cc +++ b/chrome/browser/renderer_host/render_widget_host_view_win.cc @@ -158,6 +158,12 @@ void RenderWidgetHostViewWin::MovePluginWindows( unsigned long flags = 0; const WebPluginGeometry& move = plugin_window_moves[i]; + // As the plugin parent window which lives on the browser UI thread is + // destroyed asynchronously, it is possible that we have a stale window + // sent in by the renderer for moving around. + if (!::IsWindow(move.window)) + continue; + if (move.visible) flags |= SWP_SHOWWINDOW; else @@ -180,7 +186,7 @@ void RenderWidgetHostViewWin::MovePluginWindows( move.window_rect.width(), move.window_rect.height(), flags); if (!defer_window_pos_info) { - DCHECK(false) << "DeferWindowPos given invalid window, so rest ignored."; + DCHECK(false) << "DeferWindowPos failed, so all plugin moves ignored."; return; } } |