Make font fallback case insensitive....

skia/ext/SkFontHost_fontconfig_direct.cpp

 /* libs/graphics/ports/SkFontHost_fontconfig_direct.cpp
 **
 ** Copyright 2009, Google Inc.
 **
 ** Licensed under the Apache License, Version 2.0 (the "License");
 ** you may not use this file except in compliance with the License.
 ** You may obtain a copy of the License at
 **
 **     http://www.apache.org/licenses/LICENSE-2.0
 **
@@ skipping 17 matching lines @@
 }
 
 // -----------------------------------------------------------------------------
 // Normally we only return exactly the font asked for. In last-resort cases,
 // the request is for one of the basic font names "Sans", "Serif" or
 // "Monospace". This function tells you whether a given request is for such a
 // fallback.
 // -----------------------------------------------------------------------------
 static bool IsFallbackFontAllowed(const std::string& family)
 {
-    return family == "Sans" ||
-           family == "Serif" ||
-           family == "Monospace";
+    const char* family_cstr = family.c_str();

[agl, 2009/07/08 01:17:28]

NACK. These are magic strings from platform/graphics/chromium/FontCacheLinux.cpp

+    return strcasecmp(family_cstr, "sans") == 0 ||
+           strcasecmp(family_cstr, "serif") == 0 ||
+           strcasecmp(family_cstr, "monospace") == 0;
 }
 
 bool FontConfigDirect::Match(std::string* result_family,
                              unsigned* result_fileid,
                              bool fileid_valid, unsigned fileid,
                              const std::string& family, bool* is_bold,
                              bool* is_italic) {
     SkAutoMutexAcquire ac(mutex_);
     FcPattern* pattern = FcPatternCreate();
 
@@ skipping 156 matching lines @@
 
 int FontConfigDirect::Open(unsigned fileid) {
     SkAutoMutexAcquire ac(mutex_);
     const std::map<unsigned, std::string>::const_iterator
         i = fileid_to_filename_.find(fileid);
     if (i == fileid_to_filename_.end())
         return -1;
 
     return open(i->second.c_str(), O_RDONLY);
 }