Convert ImplFontCache to use o3tl::lru_map

We still do our own cleanup of the LRU map, as we can't drop
any fonts in use.

Change-Id: I8ec5c6ce8f80893635621357e9085950e7010f5b
Reviewed-on: https://gerrit.libreoffice.org/61455
Tested-by: Jenkins
Reviewed-by: Jan-Marek Glogowski <glogow@fbihome.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/vcl/inc/impfontcache.hxx b/vcl/inc/impfontcache.hxx
index c96994300176..ee39883f2199 100644
--- a/vcl/inc/impfontcache.hxx
+++ b/vcl/inc/impfontcache.hxx
@@ -69,7 +69,8 @@ private:
     // cache of recently used font instances
     struct IFSD_Equal { bool operator()( const FontSelectPattern&, const FontSelectPattern& ) const; };
     struct IFSD_Hash { size_t operator()( const FontSelectPattern& ) const; };
-    typedef std::unordered_map<FontSelectPattern, rtl::Reference<LogicalFontInstance>, IFSD_Hash, IFSD_Equal> FontInstanceList;
+    typedef o3tl::lru_map<FontSelectPattern, rtl::Reference<LogicalFontInstance>, IFSD_Hash, IFSD_Equal> FontInstanceList;
+    typedef FontInstanceList::key_value_pair_t FontInstanceListPair;
 
     LogicalFontInstance* mpLastHitCacheEntry; ///< keeps the last hit cache entry
     FontInstanceList maFontInstanceList;