Cleanup render text tests to use RenderTextTestApi.

ui/gfx/render_text_mac.h

Index: ui/gfx/render_text_mac.h
diff --git a/ui/gfx/render_text_mac.h b/ui/gfx/render_text_mac.h
index 7c1d67e9314adb3941cb2c0177faccf4c10b4f88..9b44a0627a6835e2d2b57535f21902bab6ff6fbf 100644
--- a/ui/gfx/render_text_mac.h
+++ b/ui/gfx/render_text_mac.h
@@ -12,7 +12,6 @@
 #include <string>
 #include <vector>
 
-#include "base/gtest_prod_util.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/macros.h"
 #include "ui/gfx/gfx_export.h"
@@ -60,7 +59,7 @@ class GFX_EXPORT RenderTextMac : public RenderText {
   void DrawVisualText(internal::SkiaTextRenderer* renderer) override;
 
  private:
-  FRIEND_TEST_ALL_PREFIXES(RenderTextMacTest, Mac_ElidedText);
+  friend class RenderTextMacTest;
 
   struct TextRun {
     CTRunRef ct_run;