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Commit 6c35d7c1 authored by Daniel Erat's avatar Daniel Erat
Browse files

metrics: Update comment about adding user actions. 

This points people at chrome/tools/extract_actions.py,
where new actions can be registered without needing to
modify C++ code (once http://codereview.chromium.org/6266011/
is committed).

Change-Id: If7ceaa38939ab9c1594aacd999e0ec86c4541d41

BUG=chromium-os:10696
TEST=none

Review URL: http://codereview.chromium.org/6320009
parent ca90d8b4

metrics/metrics_library.h

+6 −3
Original line number Diff line number Diff line
@@ -72,9 +72,12 @@ class MetricsLibrary : public MetricsLibraryInterface { 


  // Sends a user action to Chrome for transport to UMA and returns true on

  // success. This method results in the equivalent of an asynchronous

  // non-blocking RPC to UserMetrics::RecordAction (see the comments in

  // chrome/browser/chromeos/external_metrics.cc and

  // chrome/browser/metrics/user_metrics.h on how to register new user actions).

  // non-blocking RPC to UserMetrics::RecordAction.  The new metric must be

  // added to chrome/tools/extract_actions.py in the Chromium repository, which

  // should then be run to generate a hash for the new action.

  //

  // Until http://crosbug.com/11125 is fixed, the metric must also be added to

  // chrome/browser/chromeos/external_metrics.cc.

  //

  // |action| is the user-generated event (e.g., "MuteKeyPressed").

  bool SendUserActionToUMA(const std::string& action);