Remove const from `const int loops`.

bench/GLBench.h

Index: bench/GLBench.h
diff --git a/bench/GLBench.h b/bench/GLBench.h
index dde0358abc6d104051bdf43ea96f762963f92b5d..9033b12e55a24aec669ef5412616b38322fce66c 100644
--- a/bench/GLBench.h
+++ b/bench/GLBench.h
@@ -33,8 +33,8 @@ protected:
     virtual void setup(const GrGLContext*)=0;
     void onPostDraw(SkCanvas* canvas) override;
     virtual void teardown(const GrGLInterface*)=0;
-    void onDraw(const int loops, SkCanvas*) override;
-    virtual void glDraw(const int loops, const GrGLContext*)=0;
+    void onDraw(int loops, SkCanvas*) override;
+    virtual void glDraw(int loops, const GrGLContext*)=0;
     static GrGLuint CompileShader(const GrGLInterface*, const char* shaderSrc, GrGLenum type);
     static GrGLuint CreateProgram(const GrGLInterface*, const char* vshader, const char* fshader);
     static GrGLuint SetupFramebuffer(const GrGLInterface*, int screenWidth, int screenHeight);