Use Qt provided forward declaration header

src/webui/api/apicontroller.cpp

@@ -30,8 +30,10 @@
 
 #include <algorithm>
 
+#include <QHash>
 #include <QJsonDocument>
 #include <QMetaObject>
+#include <QVector>
 
 #include "apierror.h"
 

src/webui/api/apicontroller.h

@@ -28,10 +28,9 @@
 
 #pragma once
 
-#include <QHash>
 #include <QObject>
 #include <QVariant>
-#include <QVector>
+#include <QtContainerFwd>
 
 class QString;
 

src/webui/api/logcontroller.cpp

@@ -30,6 +30,7 @@
 
 #include <QJsonArray>
 #include <QJsonObject>
+#include <QVector>
 
 #include "base/global.h"
 #include "base/logger.h"

src/webui/api/rsscontroller.cpp

@@ -32,6 +32,7 @@
 #include <QJsonDocument>
 #include <QJsonObject>
 #include <QJsonValue>
+#include <QVector>
 
 #include "base/rss/rss_article.h"
 #include "base/rss/rss_autodownloader.h"

src/webui/api/searchcontroller.cpp

@@ -30,8 +30,10 @@
 
 #include <limits>
 
+#include <QHash>
 #include <QJsonArray>
 #include <QJsonObject>
+#include <QList>
 #include <QSharedPointer>
 
 #include "base/global.h"

src/webui/api/searchcontroller.h

@@ -28,15 +28,13 @@
 
 #pragma once
 
-#include <QHash>
-#include <QList>
+#include <QtContainerFwd>
 
 #include "base/search/searchpluginmanager.h"
 #include "apicontroller.h"
 
 class QJsonArray;
 class QJsonObject;
-class QStringList;
 
 struct ISession;
 struct SearchResult;

src/webui/api/serialize/serialize_torrent.cpp

@@ -29,6 +29,8 @@
 #include "serialize_torrent.h"
 
 #include <QDateTime>
+#include <QSet>
+#include <QVector>
 
 #include "base/bittorrent/infohash.h"
 #include "base/bittorrent/torrenthandle.h"