Icon refresh: First step towards the new Qt Creator themes

http://blog.qt.io/blog/author/didesous/ announced new designs/themes
for Qt Creator. This patch replaces many of the existing toolbar icons
with recolorizable masks for better theming support.

Change-Id: I557aa485205fe2624f33724226f698c303342b40
Reviewed-by: Christian Kandeler <christian.kandeler@theqtcompany.com>
Reviewed-by: Alessandro Portale <alessandro.portale@theqtcompany.com>

src/libs/utils/fancylineedit.cpp

@@ -33,6 +33,8 @@
 #include "historycompleter.h"
 #include "hostosinfo.h"
 #include "qtcassert.h"
+#include "themehelper.h"
+#include "stylehelper.h"
 
 #include <QAbstractItemView>
 #include <QDebug>
@@ -366,7 +368,10 @@ void FancyLineEdit::setFiltering(bool on)
         QIcon icon = QIcon::fromTheme(layoutDirection() == Qt::LeftToRight ?
                          QLatin1String("edit-clear-locationbar-rtl") :
                          QLatin1String("edit-clear-locationbar-ltr"),
-                         QIcon::fromTheme(QLatin1String("edit-clear"), QIcon(QLatin1String(":/core/images/editclear.png"))));
+                         QIcon::fromTheme(QLatin1String("edit-clear"),
+                                          ThemeHelper::recoloredPixmap(
+                                              QLatin1String(":/core/images/editclear.png"),
+                                              ThemeHelper::inputfieldIconColor())));
 
         setButtonPixmap(Right, icon.pixmap(16));
         setButtonVisible(Right, true);