Remove const from `const int loops`.

bench/CodecBench.cpp

Index: bench/CodecBench.cpp
diff --git a/bench/CodecBench.cpp b/bench/CodecBench.cpp
index 0b457a42aec6f3ff897664f04cd562e92f581a09..1384480f43e96ae6bda1e49a0777e2e1e1825dd4 100644
--- a/bench/CodecBench.cpp
+++ b/bench/CodecBench.cpp
@@ -48,7 +48,7 @@ void CodecBench::onDelayedSetup() {
     fPixelStorage.reset(fInfo.getSafeSize(fInfo.minRowBytes()));
 }
 
-void CodecBench::onDraw(const int n, SkCanvas* canvas) {
+void CodecBench::onDraw(int n, SkCanvas* canvas) {
     SkAutoTDelete<SkCodec> codec;
     SkPMColor colorTable[256];
     int colorCount;