Make most code on mac compile with enable_web_intents=0

content/common/intents_messages.h

 // 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.
 
 // Message definition file, included multiple times, hence no include guard.
 
 #include "content/common/content_export.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_message_utils.h"
 #include "ipc/param_traits_macros.h"
 #include "webkit/glue/web_intent_data.h"
 #include "webkit/glue/web_intent_reply_data.h"
 #include "webkit/glue/web_intent_service_data.h"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 #define IPC_MESSAGE_START IntentsMsgStart
 
 IPC_ENUM_TRAITS(webkit_glue::WebIntentReplyType)
 IPC_ENUM_TRAITS(webkit_glue::WebIntentData::DataType)
 IPC_ENUM_TRAITS(webkit_glue::WebIntentServiceData::Disposition)
 
+#if defined(ENABLE_WEB_INTENTS)
+
 IPC_STRUCT_TRAITS_BEGIN(webkit_glue::WebIntentData)
   IPC_STRUCT_TRAITS_MEMBER(action)
   IPC_STRUCT_TRAITS_MEMBER(type)
   IPC_STRUCT_TRAITS_MEMBER(data)
   IPC_STRUCT_TRAITS_MEMBER(extra_data)
   IPC_STRUCT_TRAITS_MEMBER(service)
   IPC_STRUCT_TRAITS_MEMBER(suggestions)
   IPC_STRUCT_TRAITS_MEMBER(unserialized_data)
   IPC_STRUCT_TRAITS_MEMBER(message_port_ids)
   IPC_STRUCT_TRAITS_MEMBER(blob_file)
@@ skipping 35 matching lines @@
 
 // Route the startActivity Intents call from a page to the service picker.
 IPC_MESSAGE_ROUTED2(IntentsHostMsg_WebIntentDispatch,
                     webkit_glue::WebIntentData,
                     int /* intent ID */)
 
 // Register a new service for Intents with the given action and type filter.
 IPC_MESSAGE_ROUTED2(IntentsHostMsg_RegisterIntentService,
                     webkit_glue::WebIntentServiceData,
                     bool /* user_gesture */)
+
+#endif