Remove const from `const int loops`.

bench/PatchGridBench.cpp

Index: bench/PatchGridBench.cpp
diff --git a/bench/PatchGridBench.cpp b/bench/PatchGridBench.cpp
index dc64b537ac417ab5eea4cba30b5534f13a3c8a46..ef785320dff1853bfc864ca544266afc5f3ab97b 100644
--- a/bench/PatchGridBench.cpp
+++ b/bench/PatchGridBench.cpp
@@ -214,7 +214,7 @@ protected:
         this->setupPaint(&fPaint);
     }
 
-    void onDraw(const int loops, SkCanvas* canvas) override {
+    void onDraw(int loops, SkCanvas* canvas) override {
         this->setScale(canvas);
         for (int i = 0; i < loops; i++) {
             fGrid.draw(canvas, fPaint);