Mac: Give app_shim code a nicer home

apps/app_shim/app_shim_messages.h

Index: apps/app_shim/app_shim_messages.h
diff --git a/apps/app_shim/app_shim_messages.h b/apps/app_shim/app_shim_messages.h
deleted file mode 100644
index 4fcbbd8c7589121c53086aef549bf2c0399f13aa..0000000000000000000000000000000000000000
--- a/apps/app_shim/app_shim_messages.h
+++ /dev/null
@@ -1,71 +0,0 @@
-// Copyright 2013 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, hence no include guard.
-
-#include <string>
-#include <vector>
-
-#include "apps/app_shim/app_shim_launch.h"
-#include "base/files/file_path.h"
-#include "ipc/ipc_message_macros.h"
-#include "ipc/ipc_message_utils.h"
-#include "ipc/param_traits_macros.h"
-
-#define IPC_MESSAGE_START AppShimMsgStart
-
-IPC_ENUM_TRAITS_MAX_VALUE(apps::AppShimLaunchType,
-                          apps::APP_SHIM_LAUNCH_NUM_TYPES - 1)
-IPC_ENUM_TRAITS_MAX_VALUE(apps::AppShimLaunchResult,
-                          apps::APP_SHIM_LAUNCH_NUM_RESULTS - 1)
-IPC_ENUM_TRAITS_MAX_VALUE(apps::AppShimFocusType,
-                          apps::APP_SHIM_FOCUS_NUM_TYPES - 1)
-IPC_ENUM_TRAITS_MAX_VALUE(apps::AppShimAttentionType,
-                          apps::APP_SHIM_ATTENTION_NUM_TYPES - 1)
-
-// IMPORTANT: Since app shims could be running a newer framework version to the
-// currently running Chrome, any changes to these IPCs must maintain the same
-// order and format. I.e. Only add to the bottom, don't delete any.
-
-// Signals that a previous LaunchApp message has been processed, and lets the
-// app shim process know whether it was registered successfully.
-IPC_MESSAGE_CONTROL1(AppShimMsg_LaunchApp_Done,
-                     apps::AppShimLaunchResult /* launch result */)
-
-// Instructs the shim to hide the app.
-IPC_MESSAGE_CONTROL0(AppShimMsg_Hide)
-
-// Deprecated. Do not delete.
-IPC_MESSAGE_CONTROL0(AppShimMsg_RequestUserAttention)
-
-// Signals to the main Chrome process that a shim has started. Indicates the
-// profile and app_id that the shim should be associated with and whether to
-// launch the app immediately.
-IPC_MESSAGE_CONTROL4(AppShimHostMsg_LaunchApp,
-                     base::FilePath /* profile dir */,
-                     std::string /* app id */,
-                     apps::AppShimLaunchType /* launch type */,
-                     std::vector<base::FilePath> /* files */)
-
-// Sent when the user has indicated a desire to focus the app, either by
-// clicking on the app's icon in the dock or by selecting it with Cmd+Tab. In
-// response, Chrome brings the app's windows to the foreground, or relaunches
-// if the focus type indicates a reopen and there are no open windows.
-IPC_MESSAGE_CONTROL2(AppShimHostMsg_FocusApp,
-                     apps::AppShimFocusType /* focus type */,
-                     std::vector<base::FilePath> /* files */)
-
-// Sent when the app shim is hidden or unhidden.
-IPC_MESSAGE_CONTROL1(AppShimHostMsg_SetAppHidden,
-                     bool /* hidden */)
-
-// Sent when the shim process receives a request to terminate. Once all of the
-// app's windows have closed, and the extension is unloaded, the AppShimHost
-// closes the channel. The shim process then completes the terminate request
-// and exits.
-IPC_MESSAGE_CONTROL0(AppShimHostMsg_QuitApp)
-
-// Instructs the shim to request or cancel user attention.
-IPC_MESSAGE_CONTROL1(AppShimMsg_SetUserAttention,
-                     apps::AppShimAttentionType /* attention_type */)