Record a user action when a content intent is sent

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 0891c866eb9c6f0c81afbd2f9e3d36e81a2fa8b6..74e20288bbf2d43b55936ccd37a8f5d239b51233 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -23,6 +23,7 @@
 #include "base/memory/ptr_util.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram_macros.h"
+#include "base/metrics/user_metrics.h"
 #include "base/process/kill.h"
 #include "base/process/process.h"
 #include "base/single_thread_task_runner.h"
@@ -2808,6 +2809,8 @@ void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
   ScheduleComposite();
 
   if (!intent.is_empty()) {
+    base::RecordAction(base::UserMetricsAction(
+        "Android.ContentDetectorActivated"));
     Send(new ViewHostMsg_StartContentIntent(GetRoutingID(), intent,
                                             is_main_frame));
   }