Add EffectiveConnectionType enum to the system profile proto
Value of the EffectiveConnectionType enum is provided by the
NetworkMetricsProvider.
A new class EffectiveConnectionTypeObserver has been added which listens
to the changes in the EffectiveConnectionType, and lives on the same
thread as the NetworkQualityEstimator.
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_cronet_tester
BUG=677158
Review-Url: https://codereview.chromium.org/2605553002
Cr-Commit-Position: refs/heads/master@{#442821}
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index ee3e743d..8e77a11 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -603,6 +603,8 @@
"metrics/metrics_memory_details.h",
"metrics/metrics_reporting_state.cc",
"metrics/metrics_reporting_state.h",
+ "metrics/network_quality_estimator_provider_impl.cc",
+ "metrics/network_quality_estimator_provider_impl.h",
"metrics/perf/perf_provider_chromeos.cc",
"metrics/perf/perf_provider_chromeos.h",
"metrics/sampling_metrics_provider.cc",
