[Mac][Material Design] Bring Omnibox stroke and MD colors up to spec.

chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm

Index: chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm
diff --git a/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm b/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm
index 50d7650fd188890c735c6db89ec077c78772c392..f4ea29a5901ee79692407df978956765e1eaae17 100644
--- a/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm
+++ b/chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm
@@ -583,11 +583,15 @@ void LocationBarViewMac::UpdateLocationIcon() {
     } else {
       security_state::SecurityStateModel::SecurityLevel security_level =
           GetToolbarModel()->GetSecurityLevel(false);
-      vector_icon_color =
-          (security_level == security_state::SecurityStateModel::NONE)
-              ? OmniboxViewMac::BaseTextColorSkia(in_dark_mode)
-              : skia::NSDeviceColorToSkColor(OmniboxViewMac::GetSecureTextColor(
-                    security_level, in_dark_mode));
+      if (security_level == security_state::SecurityStateModel::NONE) {
+        vector_icon_color = OmniboxViewMac::BaseTextColorSkia(in_dark_mode);
+      } else {
+        NSColor* sRGBColor =
+            OmniboxViewMac::GetSecureTextColor(security_level, in_dark_mode);
+        NSColor* deviceColor =
+            [sRGBColor colorUsingColorSpace:[NSColorSpace deviceRGBColorSpace]];
+        vector_icon_color = skia::NSDeviceColorToSkColor(deviceColor);
+      }
     }
   }