Remove const from `const int loops`.

bench/GrMemoryPoolBench.cpp

Index: bench/GrMemoryPoolBench.cpp
diff --git a/bench/GrMemoryPoolBench.cpp b/bench/GrMemoryPoolBench.cpp
index fd297753071994810994c34917daea240f1f7b93..3efe653d8e9f55e7ca9a1547e5cc5eafa0c9e04b 100644
--- a/bench/GrMemoryPoolBench.cpp
+++ b/bench/GrMemoryPoolBench.cpp
@@ -43,7 +43,7 @@ protected:
         return "grmemorypool_stack";
     }
 
-    void onDraw(const int loops, SkCanvas*) override {
+    void onDraw(int loops, SkCanvas*) override {
         SkRandom r;
         enum {
             kMaxObjects = 4 * (1 << 10),
@@ -105,7 +105,7 @@ protected:
         return "grmemorypool_random";
     }
 
-    void onDraw(const int loops, SkCanvas*) override {
+    void onDraw(int loops, SkCanvas*) override {
         SkRandom r;
         enum {
             kMaxObjects = 4 * (1 << 10),
@@ -153,7 +153,7 @@ protected:
         return "grmemorypool_queue";
     }
 
-    void onDraw(const int loops, SkCanvas*) override {
+    void onDraw(int loops, SkCanvas*) override {
         SkRandom r;
         C* objects[M];
         for (int i = 0; i < loops; i++) {