Move ProfileLoader to chrome/browser/profiles.

chrome/browser/profiles/profile_loader.h

 // 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_PROFILE_LOADER_H_
-#define CHROME_BROWSER_UI_APP_LIST_PROFILE_LOADER_H_
+#ifndef CHROME_BROWSER_PROFILES_PROFILE_LOADER_H_
+#define CHROME_BROWSER_PROFILES_PROFILE_LOADER_H_
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/profiles/profile_manager.h"
 
 namespace base {
 class FilePath;
 }
 
 class ProfileManager;
 
+// This class loads profiles asynchronously and calls the provided callback once
+// the profile is ready. Only the callback for the most recent load request is
+// called, and only if the load was successful.
+//
+// This is useful for loading profiles in response to user interaction where
+// only the latest requested profile is required.
 class ProfileLoader {
  public:
   explicit ProfileLoader(ProfileManager* profile_manager);
   ~ProfileLoader();
 
-  bool AnyProfilesLoading() const;
+  bool IsAnyProfileLoading() const;
   void InvalidatePendingProfileLoads();
   void LoadProfileInvalidatingOtherLoads(
       const base::FilePath& profile_file_path,
       base::Callback<void(Profile*)> callback);
 
+ protected:
+  // These just call through to the ProfileManager.
+  // Virtual so they can be mocked out in tests.
+  virtual Profile* GetProfileByPath(const base::FilePath& path);
+  virtual void CreateProfileAsync(
+      const base::FilePath& profile_path,
+      const ProfileManager::CreateCallback& callback,
+      const string16& name,
+      const string16& icon_url,
+      bool is_managed);
+
  private:
   void OnProfileLoaded(int profile_load_sequence_id,
                        base::Callback<void(Profile*)> callback,
                        Profile* profile,
                        Profile::CreateStatus status);
 
   void IncrementPendingProfileLoads();
   void DecrementPendingProfileLoads();
 
- private:
   ProfileManager* profile_manager_;
   int profile_load_sequence_id_;
   int pending_profile_loads_;
 
   base::WeakPtrFactory<ProfileLoader> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileLoader);
 };
 
-#endif  // CHROME_BROWSER_UI_APP_LIST_PROFILE_LOADER_H_
+#endif  // CHROME_BROWSER_PROFILES_PROFILE_LOADER_H_