[mac] Make app shims look in the correct user data dir on Canary.

chrome/app/chrome_main_app_mode_mac.mm

 // 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.
 
 // On Mac, one can't make shortcuts with command-line arguments. Instead, we
 // produce small app bundles which locate the Chromium framework and load it,
 // passing the appropriate data. This is the entry point into the framework for
 // those app bundles.
 
 #import <Cocoa/Cocoa.h>
 
 #include "apps/app_shim/app_shim_messages.h"
 #include "base/at_exit.h"
 #include "base/logging.h"
 #include "base/mac/mac_logging.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/threading/thread.h"
-#include "chrome/common/chrome_paths.h"
+#include "chrome/common/chrome_paths_internal.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/mac/app_mode_common.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_message.h"
 
 namespace {
 
 const app_mode::ChromeAppModeInfo* g_info;
 base::Thread* g_io_thread = NULL;
@@ skipping 28 matching lines @@
   IPC::ChannelProxy* channel_;
 
   DISALLOW_COPY_AND_ASSIGN(AppShimController);
 };
 
 AppShimController::AppShimController() : channel_(NULL) {
 }
 
 void AppShimController::Init() {
   DCHECK(g_io_thread);
+  NSString* chrome_bundle_path =
+      base::SysUTF8ToNSString(g_info->chrome_outer_bundle_path.value());
+  NSBundle* chrome_bundle = [NSBundle bundleWithPath:chrome_bundle_path];
   base::FilePath user_data_dir;
-  if (!PathService::Get(chrome::DIR_USER_DATA, &user_data_dir)) {
+  if (!chrome::GetUserDataDirectoryForBrowserBundle(

[Mark Mentovai, 2013/04/03 17:52:01]

This kind of thing reads a tiny bit better formatted as

  if (!chrome::GetUserDataDirectoryForBrowserBundle(chrome_bundle,
                                                    &user_data_dir)) {

with the arguments lined up, don’t you agree?

+          chrome_bundle, &user_data_dir)) {
     Quit();
     return;
   }
+
   base::FilePath socket_path =
       user_data_dir.Append(app_mode::kAppShimSocketName);
   IPC::ChannelHandle handle(socket_path.value());
   channel_ = new IPC::ChannelProxy(handle, IPC::Channel::MODE_NAMED_CLIENT,
       this, g_io_thread->message_loop_proxy());
 
   channel_->Send(new AppShimHostMsg_LaunchApp(
       g_info->profile_dir.value(), g_info->app_mode_id));
 }
 
@@ skipping 221 matching lines @@
   // fully initialized don't receive a reply until its run loop starts. Once
   // the reply is received, Chrome will have opened its IPC port, guaranteed.
   [ReplyEventHandler pingProcess:psn andCall:base::Bind(&OnPingChromeReply)];
 
   MessageLoopForUI main_message_loop;
   main_message_loop.set_thread_name("MainThread");
   base::PlatformThread::SetName("CrAppShimMain");
   main_message_loop.Run();
   return 0;
 }