Remove all uses of skia::RefPtr and stale includes

content/common/font_config_ipc_linux.h

Index: content/common/font_config_ipc_linux.h
diff --git a/content/common/font_config_ipc_linux.h b/content/common/font_config_ipc_linux.h
index 59a4b0f4338f7c655ca0cda20a328b6fa1dc9ffb..be07519d497be9901cb42b25af33bbea513d58bd 100644
--- a/content/common/font_config_ipc_linux.h
+++ b/content/common/font_config_ipc_linux.h
@@ -9,7 +9,7 @@
 #include "base/containers/mru_cache.h"
 #include "base/macros.h"
 #include "base/synchronization/lock.h"
-#include "skia/ext/refptr.h"
+#include "third_party/skia/include/core/SkRefCnt.h"
 #include "third_party/skia/include/core/SkStream.h"
 #include "third_party/skia/include/core/SkTypeface.h"
 #include "third_party/skia/include/ports/SkFontConfigInterface.h"
@@ -71,7 +71,7 @@ class FontConfigIPC : public SkFontConfigInterface {
   // frequency of ttc indices is very low, and style is not used by clients of
   // this API, this seems okay.
   base::HashingMRUCache<FontIdentity,
-                        skia::RefPtr<SkTypeface>,
+                        sk_sp<SkTypeface>,
                         SkFontConfigInterfaceFontIdentityHash>
       mapped_typefaces_;