Replace CEF thread locking with C++11 locking

This removes the CEF dependency from LootState.

src/gui/loot_state.cpp

@@ -39,6 +39,10 @@
 #include <boost/log/utility/setup/common_attributes.hpp>
 #include <boost/log/support/date_time.hpp>
 
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
 using namespace std;
 using boost::locale::translate;
 using boost::format;
@@ -156,8 +160,7 @@ namespace loot {
     }
 
     void LootState::UpdateGamesFromSettings() {
-        // Acquire the lock for the scope of this method.
-        base::AutoLock lock_scope(_lock);
+        std::lock_guard<std::mutex> guard(mutex);
 
         unordered_set<string> newGameFolders;
 
@@ -201,8 +204,7 @@ namespace loot {
     }
 
     void LootState::ChangeGame(const std::string& newGameFolder) {
-        // Acquire the lock for the scope of this method.
-        base::AutoLock lock_scope(_lock);
+        std::lock_guard<std::mutex> guard(mutex);
 
         BOOST_LOG_TRIVIAL(debug) << "Changing current game to that with folder: " << newGameFolder;
         _currentGame = find(_games.begin(), _games.end(), Game(Game::autodetect, newGameFolder));
@@ -214,8 +216,7 @@ namespace loot {
     }
 
     Game& LootState::CurrentGame() {
-        // Acquire the lock for the scope of this method.
-        base::AutoLock lock_scope(_lock);
+        std::lock_guard<std::mutex> guard(mutex);
 
         return *_currentGame;
     }

src/gui/loot_state.h

@@ -28,11 +28,8 @@
 #include "loot_settings.h"
 #include "backend/game/game.h"
 
-#include <include/cef_app.h>
-#include <include/base/cef_lock.h>
-
 namespace loot {
-    class LootState : public CefBase, public LootSettings {
+    class LootState : public LootSettings {
     public:
         LootState();
 
@@ -65,9 +62,8 @@ namespace loot {
         static std::list<Game> ToGames(const std::vector<GameSettings>& settings);
         static std::vector<GameSettings> ToGameSettings(const std::list<Game>& games);
 
-        // Lock used to protect access to member variables.
-        base::Lock _lock;
-        IMPLEMENT_REFCOUNTING(LootState);
+        // Mutex used to protect access to member variables.
+        std::mutex mutex;
     };
 }