Enable network service feature flag for Chromecast.

Bug: 966633
Change-Id: I15cd56e2d36465e69d27a2c42b33d6a159873275
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1636182
Commit-Queue: John Abd-El-Malek <jam@chromium.org>
Reviewed-by: Junbo Ke <juke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#664903}

chromecast/browser/cast_content_browser_client.cc

@@ -222,7 +222,6 @@ CastContentBrowserClient::CastContentBrowserClient(
       std::make_unique<CastNetworkContexts>(url_request_context_factory_.get());
   cast_feature_list_creator_->SetExtraEnableFeatures({
     ::media::kInternalMediaSession,
-    network::features::kNetworkService,
     features::kNetworkServiceInProcess,
 #if defined(OS_ANDROID)
         // TODO(awolter): Remove this once the feature is on by default.

services/network/public/cpp/features.cc

@@ -17,14 +17,8 @@ const base::Feature kExpectCTReporting{"ExpectCTReporting",
 const base::Feature kNetworkErrorLogging{"NetworkErrorLogging",
                                          base::FEATURE_ENABLED_BY_DEFAULT};
 // Enables the network service.
-const base::Feature kNetworkService {
-  "NetworkService",
-#if defined(OS_LINUX) && defined(IS_CHROMECAST)
-      base::FEATURE_DISABLED_BY_DEFAULT
-#else
-      base::FEATURE_ENABLED_BY_DEFAULT
-#endif
-};
+const base::Feature kNetworkService{"NetworkService",
+                                    base::FEATURE_ENABLED_BY_DEFAULT};
 
 // Out of Blink CORS
 const base::Feature kOutOfBlinkCors{"OutOfBlinkCors",