Refactor app_list_util.h into AppListService abstract base.

chrome/browser/ui/app_list/app_list_service.cc

+// 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.
+
+#include "chrome/browser/ui/app_list/app_list_service.h"
+
+#include "base/prefs/pref_registry_simple.h"
+#include "base/prefs/pref_service.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/extensions/extension_prefs.h"
+#include "chrome/common/chrome_constants.h"
+#include "chrome/common/pref_names.h"
+
+// static
+void AppListService::RegisterPrefs(PrefRegistrySimple* registry) {
+  registry->RegisterStringPref(prefs::kAppListProfile, "");
+}
+
+void AppListService::Init(Profile* initial_profile) {}
+
+base::FilePath AppListService::GetAppListProfilePath(
+    const base::FilePath& user_data_dir) {
+  PrefService* local_state = g_browser_process->local_state();
+  DCHECK(local_state);
+
+  std::string app_list_profile;
+  if (local_state->HasPrefPath(prefs::kAppListProfile))
+    app_list_profile = local_state->GetString(prefs::kAppListProfile);
+
+  // If the user has no profile preference for the app launcher, default to the
+  // last browser profile used.
+  if (app_list_profile.empty() &&
+      local_state->HasPrefPath(prefs::kProfileLastUsed))
+    app_list_profile = local_state->GetString(prefs::kProfileLastUsed);
+
+  std::string profile_path = app_list_profile.empty() ?
+      chrome::kInitialProfile :
+      app_list_profile;
+
+  return user_data_dir.AppendASCII(profile_path);
+}
+
+void AppListService::ShowAppList(Profile* profile) {}
+
+void AppListService::DismissAppList() {}
+
+void AppListService::SetAppListProfile(
+    const base::FilePath& profile_file_path) {}
+
+Profile* AppListService::GetCurrentAppListProfile() { return NULL; }
+
+bool AppListService::IsAppListVisible() const { return false; }
+
+void AppListService::OnProfileAdded(const base::FilePath& profilePath) {}
+
+void AppListService::OnProfileWillBeRemoved(
+    const base::FilePath& profile_path) {}
+
+void AppListService::OnProfileWasRemoved(const base::FilePath& profile_path,
+                                         const string16& profile_name) {}
+
+void AppListService::OnProfileNameChanged(const base::FilePath& profile_path,
+                                          const string16& profile_name) {}
+
+void AppListService::OnProfileAvatarChanged(
+    const base::FilePath& profile_path) {}