1 files changed, 12 insertions, 10 deletions
diff --git a/WebCore/platform/graphics/FontCache.cpp b/WebCore/platform/graphics/FontCache.cpp
index d9b4b28..06ea56b 100644
--- a/WebCore/platform/graphics/FontCache.cpp
+++ b/WebCore/platform/graphics/FontCache.cpp
@@ -328,18 +328,20 @@ void FontCache::purgeInactiveFontData(int count)
     for (size_t i = 0; i < fontDataToDeleteCount; ++i)
         delete fontDataToDelete[i];
 
-    Vector<FontPlatformDataCacheKey> keysToRemove;
-    keysToRemove.reserveInitialCapacity(gFontPlatformDataCache->size());
-    FontPlatformDataCache::iterator platformDataEnd = gFontPlatformDataCache->end();
-    for (FontPlatformDataCache::iterator platformData = gFontPlatformDataCache->begin(); platformData != platformDataEnd; ++platformData) {
-        if (platformData->second && !gFontDataCache->contains(*platformData->second))
-            keysToRemove.append(platformData->first);
+    if (gFontPlatformDataCache) {
+        Vector<FontPlatformDataCacheKey> keysToRemove;
+        keysToRemove.reserveInitialCapacity(gFontPlatformDataCache->size());
+        FontPlatformDataCache::iterator platformDataEnd = gFontPlatformDataCache->end();
+        for (FontPlatformDataCache::iterator platformData = gFontPlatformDataCache->begin(); platformData != platformDataEnd; ++platformData) {
+            if (platformData->second && !gFontDataCache->contains(*platformData->second))
+                keysToRemove.append(platformData->first);
+        }
+        
+        size_t keysToRemoveCount = keysToRemove.size();
+        for (size_t i = 0; i < keysToRemoveCount; ++i)
+            delete gFontPlatformDataCache->take(keysToRemove[i]);
     }
 
-    size_t keysToRemoveCount = keysToRemove.size();
-    for (size_t i = 0; i < keysToRemoveCount; ++i)
-        delete gFontPlatformDataCache->take(keysToRemove[i]);
-
     isPurging = false;
 }