clang/win: Enable -Wunused-local-typedef

content/common/font_cache_dispatcher_win.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/common/font_cache_dispatcher_win.h"
 
 #include <map>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 10 matching lines @@
  public:
   static FontCache* GetInstance() {
     return Singleton<FontCache>::get();
   }
 
   void PreCacheFont(const LOGFONT& font, FontCacheDispatcher* dispatcher) {
     // TODO(ananta): Remove ScopedTracker below once crbug.com/90127 is fixed.
     tracked_objects::ScopedTracker tracking_profile(
         FROM_HERE_WITH_EXPLICIT_FUNCTION("90127 FontCache::PreCacheFont"));
 
-    typedef std::map<base::string16, FontCache::CacheElement> FontNameToElement;
-
     base::AutoLock lock(mutex_);
 
     // Fetch the font into memory.
     // No matter the font is cached or not, we load it to avoid GDI swapping out
     // that font file.
     HDC hdc = GetDC(NULL);
     HFONT font_handle = CreateFontIndirect(&font);
     DCHECK(NULL != font_handle);
 
     HGDIOBJ old_font = SelectObject(hdc, font_handle);
@@ skipping 147 matching lines @@
   FontCache::GetInstance()->PreCacheFont(font, this);
 }
 
 void FontCacheDispatcher::OnReleaseCachedFonts() {
   // Release cached fonts that requested from a pid by decrementing the ref
   // count.  When ref count is zero, the handles are released.
   FontCache::GetInstance()->ReleaseCachedFonts(this);
 }
 
 }  // namespace content