Record user action of screen orientation change

content/browser/android/content_view_core_impl.cc

Index: content/browser/android/content_view_core_impl.cc
diff --git a/content/browser/android/content_view_core_impl.cc b/content/browser/android/content_view_core_impl.cc
index 25d416efe3314d469d3409ffa2447a50172e3fe0..4854e8be7488445132874bdbc8e2a6933bf0d602 100644
--- a/content/browser/android/content_view_core_impl.cc
+++ b/content/browser/android/content_view_core_impl.cc
@@ -14,6 +14,7 @@
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/metrics/histogram_macros.h"
+#include "base/metrics/user_metrics.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
@@ -899,6 +900,7 @@ void ContentViewCoreImpl::SendOrientationChangeEvent(
     const JavaParamRef<jobject>& obj,
     jint orientation) {
   if (device_orientation_ != orientation) {
+    base::RecordAction(base::UserMetricsAction("ScreenOrientationChange"));
     device_orientation_ = orientation;
     SendOrientationChangeEventInternal();
   }