fixed compilation error for Qt5

Author: AndriyP

src/webdriver/extension_qt/qwebkit_proxy.cc

@@ -1,6 +1,11 @@
 #include "qwebkit_proxy.h"
 
 #include <QtWebKit/QWebPage>
+#include <QtWebKit/QWebFrame>
+#include <QtCore/QEventLoop>
+#include <QtCore/QTimer>
+#include <QtNetwork/QNetworkCookie>
+#include <QtNetwork/QNetworkCookieJar>
 
 #include "base/stringprintf.h"
 #include "base/string_number_conversions.h"

src/webdriver/extension_qt/qwebkit_proxy.h

@@ -6,6 +6,7 @@
 #include <map>
 
 #include <QtCore/QtGlobal>
+#include <QtCore/QVariant>
 
 #if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
 #include <QtWebKit/QWebHistory>
@@ -25,6 +26,7 @@ class Value;
 }
 
 class QWebPage;
+class QWebFrame;
 
 namespace webdriver {