[MediaNotification] Add UMA to record user clicking media notifications
This CL adds UMA to record how often the user clicks media notifications
to go back to Chrome.
BUG=605156
Review URL: https://codereview.chromium.org/1909483003
Cr-Commit-Position: refs/heads/master@{#389090}
diff --git a/chrome/android/java_sources.gni b/chrome/android/java_sources.gni
index 18f7bef..38080c5d 100644
--- a/chrome/android/java_sources.gni
+++ b/chrome/android/java_sources.gni
@@ -450,6 +450,7 @@
"java/src/org/chromium/chrome/browser/metrics/ActivityStopMetrics.java",
"java/src/org/chromium/chrome/browser/metrics/LaunchMetrics.java",
"java/src/org/chromium/chrome/browser/metrics/MediaSessionUMA.java",
+ "java/src/org/chromium/chrome/browser/metrics/MediaNotificationUma.java",
"java/src/org/chromium/chrome/browser/metrics/MemoryUma.java",
"java/src/org/chromium/chrome/browser/metrics/StartupMetrics.java",
"java/src/org/chromium/chrome/browser/metrics/UmaSessionStats.java",