embedder_support: remove unnecessary ifdef

This code is only compiled on android, so no
need for chromeos ifdef.

BUG=none
TEST=none

Change-Id: I4be1faeaf122d998a1b8aee4b5ccda31d85f0de2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2050924Reviewed-by: Nate Fischer <ntfschr@chromium.org>
Commit-Queue: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#740465}

components/embedder_support/android/metrics/android_metrics_service_client.cc

@@ -114,12 +114,8 @@ AndroidMetricsServiceClient::CreateMetricsService(
     AndroidMetricsServiceClient* client,
     PrefService* prefs) {
   auto service = std::make_unique<MetricsService>(state_manager, client, prefs);
-  // Although targeted at mobile, the unit tests runs on all platforms and the
-  // chrome os version CHECK fails if we include NetworkMetricsProvider.
-#if !defined(OS_CHROMEOS)
   service->RegisterMetricsProvider(std::make_unique<NetworkMetricsProvider>(
       content::CreateNetworkConnectionTrackerAsyncGetter()));
-#endif  // defined(OS_CHROMEOS)
   service->RegisterMetricsProvider(std::make_unique<CPUMetricsProvider>());
   service->RegisterMetricsProvider(
       std::make_unique<ScreenInfoMetricsProvider>());