Replace 'typedef xxxxx INHERITED' with 'using INHERITED = xxxx;'.

Mechanically updated via Xcode "Replace Regular Expression":

  typedef (.*) INHERITED;
    -->
  using INHERITED = $1;

The ClangTidy approach generated an even larger CL which would have
required a significant amount of hand-tweaking to be usable.

Change-Id: I671dc9d9efdf6d60151325c8d4d13fad7e10a15b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/314999
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
diff --git a/bench/DisplacementBench.cpp b/bench/DisplacementBench.cpp
index 6c9a6bf..2e38696 100644
--- a/bench/DisplacementBench.cpp
+++ b/bench/DisplacementBench.cpp
@@ -85,7 +85,7 @@
 private:
     bool fInitialized;
     bool fIsSmall;
-    typedef Benchmark INHERITED;
+    using INHERITED = Benchmark;
 };
 
 class DisplacementZeroBench : public DisplacementBaseBench {
@@ -110,7 +110,7 @@
     }
 
 private:
-    typedef DisplacementBaseBench INHERITED;
+    using INHERITED = DisplacementBaseBench;
 };
 
 class DisplacementAlphaBench : public DisplacementBaseBench {
@@ -134,7 +134,7 @@
     }
 
 private:
-    typedef DisplacementBaseBench INHERITED;
+    using INHERITED = DisplacementBaseBench;
 };
 
 class DisplacementFullBench : public DisplacementBaseBench {
@@ -158,7 +158,7 @@
     }
 
 private:
-    typedef DisplacementBaseBench INHERITED;
+    using INHERITED = DisplacementBaseBench;
 };
 
 ///////////////////////////////////////////////////////////////////////////////