linux/chromeos: Improve querying for Fontconfig defaults.

ui/gfx/font_render_params_linux.cc

Index: ui/gfx/font_render_params_linux.cc
diff --git a/ui/gfx/font_render_params_linux.cc b/ui/gfx/font_render_params_linux.cc
index f4cd346e80fb8427a36bf5580e7361c00a705be8..70d5c72785abba20d32060940b1a825f4acabe4d 100644
--- a/ui/gfx/font_render_params_linux.cc
+++ b/ui/gfx/font_render_params_linux.cc
@@ -123,7 +123,13 @@ bool QueryFontconfig(const FontRenderParamsQuery& query,
   // If the query was non-empty, match a specific font and destroy the query
   // pattern. Otherwise, just use the query pattern.
   FcPattern* result_pattern = query_pattern;
-  if (!query.is_empty()) {
+  bool should_do_match = !query.is_empty();
+#if !defined(OS_CHROMEOS)
+  // Also perform a match for desktop Linux since many users don't have default
+  // patterns configured: http://crbug.com/442443, http://crbug.com/435277, etc.
+  should_do_match = true;
+#endif
+  if (should_do_match) {
     FcResult result;
     result_pattern = FcFontMatch(NULL, query_pattern, &result);
     FcPatternDestroy(query_pattern);