Index: gpu/tools/compositor_model_bench/render_tree.cc |
diff --git a/gpu/tools/compositor_model_bench/render_tree.cc b/gpu/tools/compositor_model_bench/render_tree.cc |
index f2369df18ef6650e4aa233a30cc1114db94cd049..e1a3804b99307004006dd508ef45beff8374b632 100644 |
--- a/gpu/tools/compositor_model_bench/render_tree.cc |
+++ b/gpu/tools/compositor_model_bench/render_tree.cc |
@@ -23,7 +23,7 @@ using base::ReadFileToString; |
using std::string; |
using std::vector; |
-GLenum TextureFormatFromString(std::string format) { |
+GLenum TextureFormatFromString(const std::string& format) { |
if (format == "RGBA") |
return GL_RGBA; |
if (format == "RGB") |