Remove the remaining automation-based tests.

chrome/common/automation_messages.h

Index: chrome/common/automation_messages.h
===================================================================
--- chrome/common/automation_messages.h	(revision 261647)
+++ chrome/common/automation_messages.h	(working copy)
@@ -1,39 +0,0 @@
-// 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.
-
-// Multiply-included message file, no traditional include guard.
-#include <string>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/memory/ref_counted.h"
-#include "chrome/common/automation_constants.h"
-#include "chrome/common/common_param_traits.h"
-#include "content/public/common/common_param_traits.h"
-#include "content/public/common/page_type.h"
-#include "ipc/ipc_message_macros.h"
-#include "ipc/ipc_message_utils.h"
-#include "ui/gfx/rect.h"
-#include "url/gurl.h"
-
-IPC_ENUM_TRAITS(AutomationMsg_NavigationResponseValues)
-IPC_ENUM_TRAITS(content::PageType)
-
-IPC_STRUCT_BEGIN(AutomationMsg_Find_Params)
-  // The word(s) to find on the page.
-  IPC_STRUCT_MEMBER(base::string16, search_string)
-
-  // Whether to search forward or backward within the page.
-  IPC_STRUCT_MEMBER(bool, forward)
-
-  // Whether search should be Case sensitive.
-  IPC_STRUCT_MEMBER(bool, match_case)
-
-  // Whether this operation is first request (Find) or a follow-up (FindNext).
-  IPC_STRUCT_MEMBER(bool, find_next)
-IPC_STRUCT_END()
-
-// Keep this internal message file unchanged to preserve line numbering
-// (and hence the dubious __LINE__-based message numberings) across versions.
-#include "chrome/common/automation_messages_internal.h"