Replace web_cache_messages.h with Mojo service.

components/web_cache/common/web_cache_messages.h

Index: components/web_cache/common/web_cache_messages.h
diff --git a/components/web_cache/common/web_cache_messages.h b/components/web_cache/common/web_cache_messages.h
deleted file mode 100644
index 44f48b6ae0bbcf9eeb372fbe96dc243cb8f95cea..0000000000000000000000000000000000000000
--- a/components/web_cache/common/web_cache_messages.h
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright (c) 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.
-
-// Multiply-included file, no traditional include guard.
-
-#include <stddef.h>
-
-#include "ipc/ipc_message_macros.h"
-#include "ipc/ipc_message_utils.h"
-
-#define IPC_MESSAGE_START WebCacheMsgStart
-
-//-----------------------------------------------------------------------------
-// RenderView messages
-// These are messages sent from the browser to the renderer process.
-
-// Tells the renderer to set its maximum cache size to the supplied value.
-IPC_MESSAGE_CONTROL3(WebCacheMsg_SetCacheCapacities,
-                     uint64_t /* min_dead_capacity */,
-                     uint64_t /* max_dead_capacity */,
-                     uint64_t /* capacity */)
-
-// Tells the renderer to clear the cache.
-IPC_MESSAGE_CONTROL1(WebCacheMsg_ClearCache,
-                     bool /* on_navigation */)