Enable the adaptive icon flag.

BUG=1083331

Change-Id: I281b0673b84c3ddcf518a42790defeb489554e9c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2542929
Commit-Queue: Nancy Wang <nancylingwang@chromium.org>
Reviewed-by: Dominick Ng <dominickn@chromium.org>
Cr-Commit-Position: refs/heads/master@{#828073}

chrome/common/chrome_features.cc

@@ -66,7 +66,7 @@ const base::Feature kAppActivityReporting{"AppActivityReporting",
 #if !defined(OS_ANDROID)
 // App Service related flags. See components/services/app_service/README.md.
 const base::Feature kAppServiceAdaptiveIcon{"AppServiceAdaptiveIcon",
-                                            base::FEATURE_DISABLED_BY_DEFAULT};
+                                            base::FEATURE_ENABLED_BY_DEFAULT};
 const base::Feature kAppServiceExternalProtocol{
     "AppServiceExternalProtocol", base::FEATURE_DISABLED_BY_DEFAULT};
 const base::Feature kAppServiceIntentHandling{"AppServiceIntentHandling",