Avoid unnecessary comparison if both Typeface are NULL

BUG=skia:

Review URL: https://codereview.chromium.org/1177833004

diff --git a/src/core/SkTypeface.cpp b/src/core/SkTypeface.cpp
index fcbb745..2c7db68 100644 (file)
--- a/src/core/SkTypeface.cpp
+++ b/src/core/SkTypeface.cpp
@@ -107,7 +107,7 @@ uint32_t SkTypeface::UniqueID(const SkTypeface* face) {
 }
 
 bool SkTypeface::Equal(const SkTypeface* facea, const SkTypeface* faceb) {
-    return SkTypeface::UniqueID(facea) == SkTypeface::UniqueID(faceb);
+    return facea == faceb || SkTypeface::UniqueID(facea) == SkTypeface::UniqueID(faceb);
 }
 
 ///////////////////////////////////////////////////////////////////////////////