diff --git desktop_aura/desktop_screen_win.cc desktop_aura/desktop_screen_win.cc
index a8e088c..838b6a0 100644
--- desktop_aura/desktop_screen_win.cc
+++ desktop_aura/desktop_screen_win.cc
@@ -32,6 +32,8 @@ gfx::Display DesktopScreenWin::GetDisplayMatching(
 }
 
 HWND DesktopScreenWin::GetHWNDFromNativeView(gfx::NativeView window) const {
+  if (!window)
+    return NULL;
   aura::WindowTreeHost* host = window->GetHost();
   return host ? host->GetAcceleratedWidget() : NULL;
 }
diff --git desktop_aura/desktop_window_tree_host_win.cc desktop_aura/desktop_window_tree_host_win.cc
index 270bd54..72748cf 100644
--- desktop_aura/desktop_window_tree_host_win.cc
+++ desktop_aura/desktop_window_tree_host_win.cc
@@ -131,7 +131,9 @@ void DesktopWindowTreeHostWin::Init(aura::Window* content_window,
                         native_widget_delegate_);
 
   HWND parent_hwnd = NULL;
-  if (params.parent && params.parent->GetHost())
+  if (params.parent_widget)
+    parent_hwnd = params.parent_widget;
+  else if (params.parent && params.parent->GetHost())
     parent_hwnd = params.parent->GetHost()->GetAcceleratedWidget();
 
   message_handler_->set_remove_standard_frame(params.remove_standard_frame);
@@ -793,11 +795,15 @@ void DesktopWindowTreeHostWin::HandleFrameChanged() {
 }
 
 void DesktopWindowTreeHostWin::HandleNativeFocus(HWND last_focused_window) {
-  // TODO(beng): inform the native_widget_delegate_.
+  // See comments in CefBrowserHostImpl::PlatformSetFocus.
+  if (CanActivate())
+    HandleActivationChanged(true);
 }
 
 void DesktopWindowTreeHostWin::HandleNativeBlur(HWND focused_window) {
-  // TODO(beng): inform the native_widget_delegate_.
+  // See comments in CefBrowserHostImpl::PlatformSetFocus.
+  if (CanActivate())
+    HandleActivationChanged(false);
 }
 
 bool DesktopWindowTreeHostWin::HandleMouseEvent(const ui::MouseEvent& event) {
diff --git desktop_aura/desktop_window_tree_host_x11.cc desktop_aura/desktop_window_tree_host_x11.cc
index ed0cb1d..62e3872 100644
--- desktop_aura/desktop_window_tree_host_x11.cc
+++ desktop_aura/desktop_window_tree_host_x11.cc
@@ -172,7 +172,8 @@ DesktopWindowTreeHostX11::DesktopWindowTreeHostX11(
       window_parent_(NULL),
       custom_window_shape_(false),
       urgency_hint_set_(false),
-      close_widget_factory_(this) {
+      close_widget_factory_(this),
+      xwindow_destroyed_(false) {
 }
 
 DesktopWindowTreeHostX11::~DesktopWindowTreeHostX11() {
@@ -382,7 +383,8 @@ void DesktopWindowTreeHostX11::CloseNow() {
   // Actually free our native resources.
   if (ui::PlatformEventSource::GetInstance())
     ui::PlatformEventSource::GetInstance()->RemovePlatformEventDispatcher(this);
-  XDestroyWindow(xdisplay_, xwindow_);
+  if (!xwindow_destroyed_)
+    XDestroyWindow(xdisplay_, xwindow_);
   xwindow_ = None;
 
   desktop_native_widget_aura_->OnHostClosed();
@@ -526,6 +528,8 @@ void DesktopWindowTreeHostX11::GetWindowPlacement(
 }
 
 gfx::Rect DesktopWindowTreeHostX11::GetWindowBoundsInScreen() const {
+  if (!screen_bounds_.IsEmpty())
+    return screen_bounds_;
   return ToDIPRect(bounds_in_pixels_);
 }
 
@@ -963,6 +967,8 @@ void DesktopWindowTreeHostX11::HideImpl() {
 }
 
 gfx::Rect DesktopWindowTreeHostX11::GetBounds() const {
+  if (!screen_bounds_.IsEmpty())
+    return screen_bounds_;
   return bounds_in_pixels_;
 }
 
@@ -1020,6 +1026,8 @@ void DesktopWindowTreeHostX11::SetBounds(
 }
 
 gfx::Point DesktopWindowTreeHostX11::GetLocationOnNativeScreen() const {
+  if (!screen_bounds_.IsEmpty())
+    return screen_bounds_.origin();
   return bounds_in_pixels_.origin();
 }
 
@@ -1133,9 +1141,13 @@ void DesktopWindowTreeHostX11::InitX11Window(
     }
   }
 
+  gfx::AcceleratedWidget parent_widget = params.parent_widget;
+  if (parent_widget == gfx::kNullAcceleratedWidget)
+    parent_widget = x_root_window_;
+
   bounds_in_pixels_ = ToPixelRect(params.bounds);
   bounds_in_pixels_.set_size(AdjustSize(bounds_in_pixels_.size()));
-  xwindow_ = XCreateWindow(xdisplay_, x_root_window_, bounds_in_pixels_.x(),
+  xwindow_ = XCreateWindow(xdisplay_, parent_widget, bounds_in_pixels_.x(),
                            bounds_in_pixels_.y(), bounds_in_pixels_.width(),
                            bounds_in_pixels_.height(),
                            0,  // border width
@@ -1789,6 +1801,10 @@ uint32_t DesktopWindowTreeHostX11::DispatchEvent(
       }
       break;
     }
+    case DestroyNotify:
+      xwindow_destroyed_ = true;
+      CloseNow();
+      break;
     case FocusOut:
       if (xev->xfocus.mode != NotifyGrab) {
         ReleaseCapture();
diff --git desktop_aura/desktop_window_tree_host_x11.h desktop_aura/desktop_window_tree_host_x11.h
index 73e9e3e6..deb2cef 100644
--- desktop_aura/desktop_window_tree_host_x11.h
+++ desktop_aura/desktop_window_tree_host_x11.h
@@ -85,6 +85,8 @@ class VIEWS_EXPORT DesktopWindowTreeHostX11
   // internal list of open windows.
   static void CleanUpWindowList(void (*func)(aura::Window* window));
 
+  void set_screen_bounds(const gfx::Rect& bounds) { screen_bounds_ = bounds; }
+
  protected:
   // Overridden from DesktopWindowTreeHost:
   void Init(aura::Window* content_window,
@@ -265,6 +267,9 @@ class VIEWS_EXPORT DesktopWindowTreeHostX11
   // The bounds of |xwindow_|.
   gfx::Rect bounds_in_pixels_;
 
+  // Override the screen bounds when the host is a child window.
+  gfx::Rect screen_bounds_;
+
   // Whenever the bounds are set, we keep the previous set of bounds around so
   // we can have a better chance of getting the real
   // |restored_bounds_in_pixels_|. Window managers tend to send a Configure
@@ -351,6 +356,9 @@ class VIEWS_EXPORT DesktopWindowTreeHostX11
 
   base::WeakPtrFactory<DesktopWindowTreeHostX11> close_widget_factory_;
 
+  // True if the xwindow has already been destroyed.
+  bool xwindow_destroyed_;
+
   DISALLOW_COPY_AND_ASSIGN(DesktopWindowTreeHostX11);
 };
 
diff --git widget.cc widget.cc
index 154d107..cf276b1 100644
--- widget.cc
+++ widget.cc
@@ -119,6 +119,7 @@ Widget::InitParams::InitParams()
       use_system_default_icon(false),
       show_state(ui::SHOW_STATE_DEFAULT),
       parent(NULL),
+      parent_widget(gfx::kNullAcceleratedWidget),
       native_widget(NULL),
       desktop_window_tree_host(NULL),
       layer_type(ui::LAYER_TEXTURED),
@@ -142,6 +143,7 @@ Widget::InitParams::InitParams(Type type)
       use_system_default_icon(false),
       show_state(ui::SHOW_STATE_DEFAULT),
       parent(NULL),
+      parent_widget(gfx::kNullAcceleratedWidget),
       native_widget(NULL),
       desktop_window_tree_host(NULL),
       layer_type(ui::LAYER_TEXTURED),
@@ -316,7 +318,7 @@ void Widget::Init(const InitParams& in_params) {
   InitParams params = in_params;
 
   params.child |= (params.type == InitParams::TYPE_CONTROL);
-  is_top_level_ = !params.child;
+  is_top_level_ = !params.child || params.parent_widget;
 
   if (params.opacity == views::Widget::InitParams::INFER_OPACITY &&
       params.type != views::Widget::InitParams::TYPE_WINDOW &&
@@ -379,7 +381,12 @@ void Widget::Init(const InitParams& in_params) {
       Minimize();
   } else if (params.delegate) {
     SetContentsView(params.delegate->GetContentsView());
-    SetInitialBoundsForFramelessWindow(params.bounds);
+    if (params.parent_widget) {
+      // Set the bounds directly instead of applying an inset.
+      SetBounds(params.bounds);
+    } else {
+      SetInitialBoundsForFramelessWindow(params.bounds);
+    }
   }
   // This must come after SetContentsView() or it might not be able to find
   // the correct NativeTheme (on Linux). See http://crbug.com/384492
diff --git widget.h widget.h
index 1342625..7fbc24c 100644
--- widget.h
+++ widget.h
@@ -232,6 +232,7 @@ class VIEWS_EXPORT Widget : public internal::NativeWidgetDelegate,
     // Whether the widget should be maximized or minimized.
     ui::WindowShowState show_state;
     gfx::NativeView parent;
+    gfx::AcceleratedWidget parent_widget;
     // Specifies the initial bounds of the Widget. Default is empty, which means
     // the NativeWidget may specify a default size. If the parent is specified,
     // |bounds| is in the parent's coordinate system. If the parent is not