Upstream ChromeBrowserStateManagerImpl.

ios/chrome/browser/browser_state/chrome_browser_state_manager_impl.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 IOS_CHROME_BROWSER_BROWSER_STATE_CHROME_BROWSER_STATE_MANAGER_IMPL_H_
+#define IOS_CHROME_BROWSER_BROWSER_STATE_CHROME_BROWSER_STATE_MANAGER_IMPL_H_
+
+#include <map>
+
+#include "base/files/file_path.h"
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "ios/chrome/browser/browser_state/browser_state_info_cache.h"
+#include "ios/chrome/browser/browser_state/chrome_browser_state_manager.h"
+
+class ChromeBrowserStateImpl;
+
+// ChromeBrowserStateManager implementation.
+class ChromeBrowserStateManagerImpl : public ios::ChromeBrowserStateManager {
+ public:
+  ChromeBrowserStateManagerImpl();
+  ~ChromeBrowserStateManagerImpl() override;
+
+  // ChromeBrowserStateManager:
+  ios::ChromeBrowserState* GetLastUsedBrowserState() override;
+  ios::ChromeBrowserState* GetBrowserState(const base::FilePath& path) override;
+  BrowserStateInfoCache* GetBrowserStateInfoCache() override;
+  std::vector<ios::ChromeBrowserState*> GetLoadedBrowserStates() override;
+
+ private:
+  using ChromeBrowserStateImplPathMap =
+      std::map<base::FilePath, scoped_ptr<ChromeBrowserStateImpl>>;
+
+  // Get the path of the last used browser state, or if that's undefined, the
+  // default browser state.
+  base::FilePath GetLastUsedBrowserStateDir(
+      const base::FilePath& user_data_dir);
+
+  // Final initialization of the browser state.
+  void DoFinalInit(ios::ChromeBrowserState* browser_state);
+  void DoFinalInitForServices(ios::ChromeBrowserState* browser_state);
+
+  // Adds |browser_state| to the browser state info cache if it hasn't been
+  // added yet.
+  void AddBrowserStateToCache(ios::ChromeBrowserState* browser_state);
+
+  // Holds the ChromeBrowserStateImpl instances that this instance has created.
+  ChromeBrowserStateImplPathMap browser_states_;
+  scoped_ptr<BrowserStateInfoCache> browser_state_info_cache_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeBrowserStateManagerImpl);
+};
+
+#endif  // IOS_CHROME_BROWSER_BROWSER_STATE_CHROME_BROWSER_STATE_MANAGER_IMPL_H_