Mac: Some clang appeasing.

chrome/browser/cocoa/location_bar/ev_bubble_decoration.mm

Index: chrome/browser/cocoa/location_bar/ev_bubble_decoration.mm
diff --git a/chrome/browser/cocoa/location_bar/ev_bubble_decoration.mm b/chrome/browser/cocoa/location_bar/ev_bubble_decoration.mm
index 990c4b951cf9a9a899f04b4dcf94744e3321f1ef..434009a056009be60e80cc36e750f92c256fb547 100644
--- a/chrome/browser/cocoa/location_bar/ev_bubble_decoration.mm
+++ b/chrome/browser/cocoa/location_bar/ev_bubble_decoration.mm
@@ -31,7 +31,7 @@ const float kMaxBubbleFraction = 0.5;
 // TODO(shess): This is ugly, find a better way.  Using it right now
 // so that I can crib from gtk and still be able to see that I'm using
 // the same values easily.
-const NSColor* ColorWithRGBBytes(int rr, int gg, int bb) {
+NSColor* ColorWithRGBBytes(int rr, int gg, int bb) {
   DCHECK_LE(rr, 255);
   DCHECK_LE(bb, 255);
   DCHECK_LE(gg, 255);