Remove const from `const int loops`.

bench/ControlBench.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Benchmark.h"
 
 // This benchmark's runtime should be fairly constant for a given machine,
 // so it can be used as a baseline to control for thermal or other throttling.
 
 struct ControlBench : public Benchmark {
     const char* onGetName() override { return "control"; }
     bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
 
-    void onDraw(const int loops, SkCanvas*) override {
+    void onDraw(int loops, SkCanvas*) override {
         // Nothing terribly useful: force a memory read, a memory write, and some math.
         volatile uint32_t rand = 0;
         for (int i = 0; i < 1000*loops; i++) {
             rand *= 1664525;
             rand += 1013904223;
         }
     }
 };
 DEF_BENCH(return new ControlBench;)