Cleanup namespace usage in platform/fonts/.

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 96 matching lines @@
             result = getFontPlatformData(fontDescription, createByAlternateFamily, true);
         }
         if (result)
             gFontPlatformDataCache->set(key, adoptPtr(new FontPlatformData(*result))); // Cache the result under the old name.
     }
 
     return result;
 }
 
 #if ENABLE(OPENTYPE_VERTICAL)
-typedef HashMap<FontCache::FontFileKey, RefPtr<OpenTypeVerticalData>, WTF::IntHash<FontCache::FontFileKey>, WTF::UnsignedWithZeroKeyHashTraits<FontCache::FontFileKey> > FontVerticalDataCache;
+typedef HashMap<FontCache::FontFileKey, RefPtr<OpenTypeVerticalData>, IntHash<FontCache::FontFileKey>, UnsignedWithZeroKeyHashTraits<FontCache::FontFileKey> > FontVerticalDataCache;
 
 FontVerticalDataCache& fontVerticalDataCacheInstance()
 {
     DEFINE_STATIC_LOCAL(FontVerticalDataCache, fontVerticalDataCache, ());
     return fontVerticalDataCache;
 }
 
 PassRefPtr<OpenTypeVerticalData> FontCache::getVerticalData(const FontFileKey& key, const FontPlatformData& platformData)
 {
     FontVerticalDataCache& fontVerticalDataCache = fontVerticalDataCacheInstance();
@@ skipping 156 matching lines @@
         clients.append(*it);
 
     ASSERT(numClients == clients.size());
     for (size_t i = 0; i < numClients; ++i)
         clients[i]->fontCacheInvalidated();
 
     purge(ForcePurge);
 }
 
 } // namespace blink