Fixing opacity for browser frame window on ASH/Windows.

chrome/browser/ui/views/chrome_views_delegate_aura.cc

+// Copyright (c) 2013 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/chrome_views_delegate.h"
+
+#include "chrome/browser/ui/ash/ash_util.h"
+
+views::Widget::InitParams::WindowOpacity
+ChromeViewsDelegate::GetOpacityForInitParams(
+    const views::Widget::InitParams& params) {
+#if defined(USE_ASH)
+  gfx::NativeView native_view = params.parent ? params.parent : params.context;
+  if (native_view && chrome::IsNativeViewInAsh(native_view))
+    return views::Widget::InitParams::TRANSLUCENT_WINDOW;
+#endif
+  // We want translucent windows when either we are in ASH or we are
+  // a top level window which is not of type TYPE_WINDOW.
+  if (params.top_level && params.type != views::Widget::InitParams::TYPE_WINDOW)
+    return views::Widget::InitParams::TRANSLUCENT_WINDOW;
+
+  return views::Widget::InitParams::OPAQUE_WINDOW;
+}