Add unit tests for AppListServiceImpl.

chrome/browser/ui/app_list/test/fake_profile_store.h

Index: chrome/browser/ui/app_list/test/fake_profile_store.h
diff --git a/chrome/browser/ui/app_list/test/fake_profile_store.h b/chrome/browser/ui/app_list/test/fake_profile_store.h
new file mode 100644
index 0000000000000000000000000000000000000000..b83988a30f204fcfcd48b48945ba6d6f7598c71c
--- /dev/null
+++ b/chrome/browser/ui/app_list/test/fake_profile_store.h
@@ -0,0 +1,32 @@
+// 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.
+
+#ifndef CHROME_BROWSER_UI_APP_LIST_TEST_FAKE_PROFILE_STORE_H_
+#define CHROME_BROWSER_UI_APP_LIST_TEST_FAKE_PROFILE_STORE_H_
+
+#include <map>
+
+#include "base/callback.h"
+#include "chrome/browser/ui/app_list/profile_store.h"
+
+class FakeProfileStore : public ProfileStore {
+ public:
+  explicit FakeProfileStore(const base::FilePath& user_data_dir);
+
+  void RunCallbackByPath(const base::FilePath& path, Profile* profile);
+
+  // ProfileStore overrides.
+  virtual void AddProfileObserver(ProfileInfoCacheObserver* observer) OVERRIDE;
+  virtual void LoadProfileAsync(
+      const base::FilePath& path,
+      base::Callback<void(Profile*)> callback) OVERRIDE;
+  virtual Profile* GetProfileByPath(const base::FilePath& path) OVERRIDE;
+  virtual base::FilePath GetUserDataDir() OVERRIDE;
+
+ private:
+  base::FilePath user_data_dir_;
+  std::map<base::FilePath, base::Callback<void(Profile*)> > callbacks_;
+};
+
+#endif  // CHROME_BROWSER_UI_APP_LIST_TEST_FAKE_PROFILE_STORE_H_