Enable KeyboardOverlayDialog on aura.

chrome/browser/ui/views/window.cc

 // Copyright (c) 2012 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 "chrome/browser/ui/views/window.h"
 
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/widget/widget.h"
 
 #if defined(USE_AURA)
@@ skipping 27 matching lines @@
 views::Widget* CreateViewsWindow(gfx::NativeWindow parent,
                                  views::WidgetDelegate* delegate,
                                  DialogStyle style) {
 #if defined(OS_CHROMEOS) && !defined(USE_AURA)
   return chromeos::BubbleWindow::Create(parent, style, delegate);
 #else
   return views::Widget::CreateWindowWithParent(delegate, parent);
 #endif
 }
 
+views::Widget* CreateFramelessViewsWindow(gfx::NativeWindow parent,
+                                          views::WidgetDelegate* delegate) {
+#if defined(OS_CHROMEOS) && !defined(USE_AURA)
+  return chromeos::BubbleWindow::Create(parent, STYLE_FLUSH, delegate);
+#else
+  return CreateFramelessWindowWithParentAndBounds(delegate,
+      parent, gfx::Rect());
+#endif
+}
+
+views::Widget* CreateFramelessWindowWithParentAndBounds(
+    views::WidgetDelegate* delegate,
+    gfx::NativeWindow parent,
+    const gfx::Rect& bounds) {
+  views::Widget* widget = new views::Widget;
+  views::Widget::InitParams params(
+      views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
+  params.delegate = delegate;
+  // Will this function be called if !defined(USE_AURA)?
+#if defined(OS_WIN) || defined(USE_AURA)
+  params.parent = parent;
+#endif
+  params.bounds = bounds;
+  widget->Init(params);
+  return widget;
+}
+
 views::Widget* CreateViewsBubble(views::BubbleDelegateView* delegate) {
   views::Widget* bubble_widget =
       views::BubbleDelegateView::CreateBubble(delegate);
 #if defined(OS_CHROMEOS) && defined(TOOLKIT_USES_GTK)
   {
     std::vector<int> params;
     params.push_back(0);  // Do not show when screen is locked.
     chromeos::WmIpc::instance()->SetWindowType(
         bubble_widget->GetNativeView(),
         chromeos::WM_IPC_WINDOW_CHROME_INFO_BUBBLE,
@@ skipping 17 matching lines @@
   params.push_back(1);  // Show while screen is locked.
   chromeos::WmIpc::instance()->SetWindowType(
       bubble_widget->GetNativeView(),
       chromeos::WM_IPC_WINDOW_CHROME_INFO_BUBBLE,
       &params);
 #endif
   return bubble_widget;
 }
 
 }  // namespace browser