Modify WidgetWin::Init() such that it doesn't create the FocusManager if the ...

views/widget/widget_win.cc

 // 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.
 
 #include "views/widget/widget_win.h"
 
 #include "app/gfx/canvas.h"
 #include "app/gfx/native_theme_win.h"
 #include "app/gfx/path.h"
 #include "app/l10n_util_win.h"
@@ skipping 112 matching lines @@
   use_layered_buffer_ = (use_layered_buffer_ &&
                          !!(window_ex_style() & WS_EX_LAYERED));
 
   default_theme_provider_.reset(new DefaultThemeProvider());
 
   SetWindowSupportsRerouteMouseWheel(hwnd());
 
   drop_target_ = new DropTargetWin(root_view_.get());
 
   if ((window_style() & WS_CHILD) == 0 ||
-      WidgetWin::GetRootWidget(parent) == NULL) {
+      (WidgetWin::GetRootWidget(parent) == NULL &&
+          parent != GetDesktopWindow())) {
     // Top-level widgets and child widgets who do not have a top-level widget
-    // ancestor get a FocusManager.
+    // ancestor get a FocusManager. Child widgets parented to the desktop do not
+    // get a FocusManager because parenting to the desktop is the technique used
+    // to intentionally exclude a widget from the FocusManager hierarchy.
     focus_manager_.reset(new FocusManager(this));
   }
 
   // Sets the RootView as a property, so the automation can introspect windows.
   SetRootViewForHWND(hwnd(), root_view_.get());
 
   MessageLoopForUI::current()->AddObserver(this);
 
   // Windows special DWM window frame requires a special tooltip manager so
   // that window controls in Chrome windows don't flicker when you move your
@@ skipping 1176 matching lines @@
   }
   return NULL;
 }
 
 // static
 Widget* Widget::GetWidgetFromNativeWindow(gfx::NativeWindow native_window) {
   return Widget::GetWidgetFromNativeView(native_window);
 }
 
 }  // namespace views