Add removeAll method to sets and maps and use them

Source/platform/fonts/FontCache.cpp

 /*
  * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 179 matching lines @@
     if (!gFontPlatformDataCache)
         return;
 
     Vector<FontCacheKey> keysToRemove;
     keysToRemove.reserveInitialCapacity(gFontPlatformDataCache->size());
     FontPlatformDataCache::iterator platformDataEnd = gFontPlatformDataCache->end();
     for (FontPlatformDataCache::iterator platformData = gFontPlatformDataCache->begin(); platformData != platformDataEnd; ++platformData) {
         if (platformData->value && !gFontDataCache->contains(platformData->value.get()))
             keysToRemove.append(platformData->key);
     }
-
-    size_t keysToRemoveCount = keysToRemove.size();
-    for (size_t i = 0; i < keysToRemoveCount; ++i)
-        gFontPlatformDataCache->remove(keysToRemove[i]);
+    gFontPlatformDataCache->removeAll(keysToRemove);
 }
 
 static inline void purgeFontVerticalDataCache()
 {
 #if ENABLE(OPENTYPE_VERTICAL)
     FontVerticalDataCache& fontVerticalDataCache = fontVerticalDataCacheInstance();
     if (!fontVerticalDataCache.isEmpty()) {
         // Mark & sweep unused verticalData
         FontVerticalDataCache::iterator verticalDataEnd = fontVerticalDataCache.end();
         for (FontVerticalDataCache::iterator verticalData = fontVerticalDataCache.begin(); verticalData != verticalDataEnd; ++verticalData) {
             if (verticalData->value)
                 verticalData->value->setInFontCache(false);
         }
 
         gFontDataCache->markAllVerticalData();
 
         Vector<FontCache::FontFileKey> keysToRemove;
         keysToRemove.reserveInitialCapacity(fontVerticalDataCache.size());
         for (FontVerticalDataCache::iterator verticalData = fontVerticalDataCache.begin(); verticalData != verticalDataEnd; ++verticalData) {
             if (!verticalData->value || !verticalData->value->inFontCache())
                 keysToRemove.append(verticalData->key);
         }
-        for (size_t i = 0, count = keysToRemove.size(); i < count; ++i)
-            fontVerticalDataCache.take(keysToRemove[i]);
+        fontVerticalDataCache.removeAll(keysToRemove);
     }
 #endif
 }
 
 void FontCache::purge(PurgeSeverity PurgeSeverity)
 {
     // We should never be forcing the purge while the FontCachePurgePreventer is in scope.
     ASSERT(!m_purgePreventCount || PurgeSeverity == PurgeIfNeeded);
     if (m_purgePreventCount)
         return;
@@ skipping 61 matching lines @@
         clients.append(*it);
 
     ASSERT(numClients == clients.size());
     for (size_t i = 0; i < numClients; ++i)
         clients[i]->fontCacheInvalidated();
 
     purge(ForcePurge);
 }
 
 } // namespace WebCore