Capture font-related data in minidump when last resort font failed

third_party/WebKit/Source/platform/fonts/FontCache.h

 /*
  * Copyright (C) 2006, 2008 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2007-2008 Torch Mobile, Inc.
  *
  * 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 173 matching lines @@
                                   const char* preferredLocale,
                                   PlatformFallbackFont*);
 #endif
   PassRefPtr<SimpleFontData> fontDataFromFontPlatformData(
       const FontPlatformData*,
       ShouldRetain = Retain,
       bool = false);
 
   void invalidateShapeCache();
 
+  static void crashWithFontInfo(const FontDescription*);
+
   // Memory reporting
   void dumpFontPlatformDataCache(base::trace_event::ProcessMemoryDump*);
   void dumpShapeResultCache(base::trace_event::ProcessMemoryDump*);
 
  private:
   FontCache();
   ~FontCache();
 
   void purge(PurgeSeverity = PurgeIfNeeded);
 
@@ skipping 72 matching lines @@
  public:
   FontCachePurgePreventer() { FontCache::fontCache()->disablePurging(); }
   ~FontCachePurgePreventer() { FontCache::fontCache()->enablePurging(); }
 };
 
 AtomicString toAtomicString(const SkString&);
 
 }  // namespace blink
 
 #endif