Move webCacheManager to //components.

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
new file mode 100644
index 0000000000000000000000000000000000000000..a521399101c012d285e41c7fe443811755f2bf76
--- /dev/null
+++ b/components/web_cache/common/web_cache_messages.h
@@ -0,0 +1,23 @@
+// 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 "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,
+                     size_t /* min_dead_capacity */,
+                     size_t /* max_dead_capacity */,
+                     size_t /* capacity */)
+
+// Tells the renderer to clear the cache.
+IPC_MESSAGE_CONTROL1(WebCacheMsg_ClearCache,
+                     bool /* on_navigation */)