Add uptime to feedbackPrivate.readLogSource.

BUG=b:67364190

Change-Id: I4ed4699343fa9604ec4d47a033dc30f3427b628e
Reviewed-on: https://chromium-review.googlesource.com/718749
Commit-Queue: Dariusz Marcinkiewicz <darekm@chromium.org>
Reviewed-by: Ahmed Fakhry <afakhry@chromium.org>
Reviewed-by: Toni Barzic <tbarzic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#509717}

chrome/browser/extensions/api/feedback_private/chrome_feedback_private_delegate.cc

@@ -152,6 +152,9 @@ ChromeFeedbackPrivateDelegate::CreateSingleLogSource(
     case api::feedback_private::LOG_SOURCE_IFCONFIG:
       return std::make_unique<system_logs::SingleDebugDaemonLogSource>(
           SupportedDebugDaemonSource::kIfconfig);
+    case api::feedback_private::LOG_SOURCE_UPTIME:
+      return std::make_unique<system_logs::SingleDebugDaemonLogSource>(
+          SupportedDebugDaemonSource::kUptime);
 
     case api::feedback_private::LOG_SOURCE_NONE:
     default:

extensions/common/api/feedback_private.idl

@@ -131,7 +131,10 @@ namespace feedbackPrivate {
     lspci,
 
     // Info about system network interface.
-    ifconfig
+    ifconfig,
+
+    // Info about system uptime.
+    uptime
   };
 
   // Input parameters for a readLogSource() call.