Move content_browser_client.h to public, and while at it, move

content/common/window_container_type.h

-// Copyright (c) 2010 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.
-
-#ifndef CONTENT_COMMON_WINDOW_CONTAINER_TYPE_H_
-#define CONTENT_COMMON_WINDOW_CONTAINER_TYPE_H_
-#pragma once
-
-namespace WebKit {
-
-struct WebWindowFeatures;
-
-}
-
-// "Container" types which can be requested via the window.open feature
-// string.
-enum WindowContainerType {
-  // A window shown in popup or tab.
-  WINDOW_CONTAINER_TYPE_NORMAL = 0,
-
-  // A window run as a hidden "background" page.
-  WINDOW_CONTAINER_TYPE_BACKGROUND,
-
-  // A window run as a hidden "background" page that wishes to be started
-  // upon browser launch and run beyond the lifetime of the pages that
-  // reference it.
-  WINDOW_CONTAINER_TYPE_PERSISTENT,
-
-  WINDOW_CONTAINER_TYPE_MAX_VALUE
-};
-
-// Conversion function:
-WindowContainerType WindowFeaturesToContainerType(
-    const WebKit::WebWindowFeatures& window_features);
-
-#endif  // CONTENT_COMMON_WINDOW_CONTAINER_TYPE_H_