Use last active profile instead of default profile in profile manager

chrome/browser/profiles/profile_manager.cc

 // 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.
 
 #include "chrome/browser/profiles/profile_manager.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 338 matching lines @@
   user_manager::UserManager* manager = user_manager::UserManager::Get();
   const user_manager::User* user = manager->GetActiveUser();
   // To avoid an endless loop (crbug.com/334098) we have to additionally check
   // if the profile of the user was already created. If the profile was not yet
   // created we load the profile using the profile directly.
   // TODO: This should be cleaned up with the new profile manager.
   if (user && user->is_profile_created())
     return chromeos::ProfileHelper::Get()->GetProfileByUserUnsafe(user);
 
 #endif
+#if !defined(OS_WIN)
   Profile* profile =
       profile_manager->GetActiveUserOrOffTheRecordProfileFromPath(
           profile_manager->user_data_dir());
   // |profile| could be null if the user doesn't have a profile yet and the path
   // is on a read-only volume (preventing Chrome from making a new one).
   // However, most callers of this function immediately dereference the result
   // which would lead to crashes in a variety of call sites. Assert here to
   // figure out how common this is. http://crbug.com/383019
   CHECK(profile) << profile_manager->user_data_dir().AsUTF8Unsafe();
   return profile;
+#else
+  return profile_manager->GetProfile(
+      profile_manager->GetLastUsedProfileDir(profile_manager->user_data_dir()));
+#endif
 }
 
 Profile* ProfileManager::GetProfile(const base::FilePath& profile_dir) {
   TRACE_EVENT0("browser", "ProfileManager::GetProfile");
 
   // If the profile is already loaded (e.g., chrome.exe launched twice), just
   // return it.
   Profile* profile = GetProfileByPath(profile_dir);
   if (profile)
     return profile;
@@ skipping 1014 matching lines @@
   }
 
   FinishDeletingProfile(profile_to_delete_path, new_active_profile_path);
   if (!original_callback.is_null())
     original_callback.Run(loaded_profile, status);
 }
 
 ProfileManagerWithoutInit::ProfileManagerWithoutInit(
     const base::FilePath& user_data_dir) : ProfileManager(user_data_dir) {
 }