Add logging to remote commands

chrome/browser/chromeos/policy/status_uploader.cc

Index: chrome/browser/chromeos/policy/status_uploader.cc
diff --git a/chrome/browser/chromeos/policy/status_uploader.cc b/chrome/browser/chromeos/policy/status_uploader.cc
index 83f7cc9740d22ee25100f49a9e849320fbdb4c0b..c5feb37b45278b62e9dc82845b6be67b82e3d54e 100644
--- a/chrome/browser/chromeos/policy/status_uploader.cc
+++ b/chrome/browser/chromeos/policy/status_uploader.cc
@@ -122,15 +122,30 @@ bool StatusUploader::IsSessionDataUploadAllowed() {
   // Check if we're in an auto-launched kiosk session.
   std::unique_ptr<DeviceLocalAccount> account =
       collector_->GetAutoLaunchedKioskSessionInfo();
-  if (!account)
+  if (!account) {
+    LOG(WARNING) << "Not a kiosk session, data upload is not allowed.";
     return false;
+  }
 
   // Check if there has been any user input.
-  if (!ui::UserActivityDetector::Get()->last_activity_time().is_null())
+  base::TimeTicks last_activity_time =
+      ui::UserActivityDetector::Get()->last_activity_time();
+  std::string last_activity_name =
+      ui::UserActivityDetector::Get()->last_activity_name();
+  if (!last_activity_time.is_null()) {
+    LOG(WARNING) << "User input " << last_activity_name << " detected "
+                 << (base::TimeTicks::Now() - last_activity_time)
+                 << " ago, data upload is not allowed.";

[Andrew T Wilson (Slow), 2016/05/04 14:43:22]

Can we also show how soon after boot the input happened, using
base::SysInfo::Uptime()?

[Marton Hunyady, 2016/05/09 13:48:15]

Done.

     return false;
+  }
 
   // Screenshot is allowed as long as we have not captured media.
-  return !has_captured_media_;
+  if (has_captured_media_) {
+    LOG(WARNING) << "Media has been captured, data upload is not allowed.";
+    return false;
+  } else {
+    return true;
+  }
 }
 
 void StatusUploader::OnRequestUpdate(int render_process_id,