Revert 251563 "Move browser initiated navigation from RenderView..."

trunk/src/content/common/frame_message_enums.h

-// Copyright 2014 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_FRAME_MESSAGES_ENUMS_H_
-#define CONTENT_COMMON_FRAME_MESSAGES_ENUMS_H_
-
-#include "ipc/ipc_message_macros.h"
-
-struct FrameMsg_Navigate_Type {
- public:
-  enum Value {
-    // Reload the page.
-    RELOAD,
-
-    // Reload the page, ignoring any cache entries.
-    RELOAD_IGNORING_CACHE,
-
-    // Reload the page using the original request URL.
-    RELOAD_ORIGINAL_REQUEST_URL,
-
-    // The navigation is the result of session restore and should honor the
-    // page's cache policy while restoring form state. This is set to true if
-    // restoring a tab/session from the previous session and the previous
-    // session did not crash. If this is not set and the page was restored then
-    // the page's cache policy is ignored and we load from the cache.
-    RESTORE,
-
-    // Like RESTORE, except that the navigation contains POST data.
-    RESTORE_WITH_POST,
-
-    // Navigation type not categorized by the other types.
-    NORMAL,
-
-    // Last guard value, so we can use it for validity checks.
-    NAVIGATE_TYPE_LAST = NORMAL,
-  };
-};
-
-#endif  // CONTENT_COMMON_FRAME_MESSAGES_ENUMS_H_