Separate gfx_ipc into skia-dependent and non-skia-dependent parts

extensions/common/extension_messages.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.
 
 // IPC messages for extensions.
 // Multiply-included message file, hence no include guard.
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 12 matching lines @@
 #include "extensions/common/permissions/permission_set.h"
 #include "extensions/common/permissions/socket_permission_data.h"
 #include "extensions/common/permissions/usb_device_permission_data.h"
 #include "extensions/common/stack_frame.h"
 #include "extensions/common/url_pattern.h"
 #include "extensions/common/url_pattern_set.h"
 #include "extensions/common/user_script.h"
 #include "extensions/common/view_type.h"
 #include "ipc/ipc_message_macros.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
+#include "ui/gfx/ipc/gfx_skia_param_traits.h"

[Devlin, 2016/03/28 21:01:51]

ditto

[Mark Dittmer, 2016/03/29 17:41:24]

Done.

 #include "url/gurl.h"
 
 #define IPC_MESSAGE_START ExtensionMsgStart
 
 IPC_ENUM_TRAITS_MAX_VALUE(extensions::ViewType, extensions::VIEW_TYPE_LAST)
 IPC_ENUM_TRAITS_MAX_VALUE(content::SocketPermissionRequest::OperationType,
                           content::SocketPermissionRequest::OPERATION_TYPE_LAST)
 
 IPC_ENUM_TRAITS_MAX_VALUE(extensions::UserScript::InjectionType,
                           extensions::UserScript::INJECTION_TYPE_LAST)
@@ skipping 782 matching lines @@
                     int /* acc_obj_id */,
                     base::string16 /* selector */)
 
 // Result of a query selector request.
 // result_acc_obj_id is the accessibility tree ID of the result element; 0
 // indicates no result.
 IPC_MESSAGE_ROUTED3(ExtensionHostMsg_AutomationQuerySelector_Result,
                     int /* request_id */,
                     ExtensionHostMsg_AutomationQuerySelector_Error /* error */,
                     int /* result_acc_obj_id */)