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| author | ukai@chromium.org <ukai@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-11-26 06:16:09 +0000 |
|---|---|---|
| committer | ukai@chromium.org <ukai@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-11-26 06:16:09 +0000 |
| commit | abb785b2625b7fd791e620548f617b1652883e0b (patch) | |
| tree | 8e9c4b574eaa9d25fee4ae5237dce70ca284dcb6 /chrome | |
| parent | 7442ee960f05e5f4d9515fc3f555b2e2f26861ac (diff) | |
| download | chromium_src-abb785b2625b7fd791e620548f617b1652883e0b.zip chromium_src-abb785b2625b7fd791e620548f617b1652883e0b.tar.gz chromium_src-abb785b2625b7fd791e620548f617b1652883e0b.tar.bz2 | |
Throttle websocket live experiment
0.5% of users will participate websocket live experiment.
BUG=28843
TEST=none
Review URL: http://codereview.chromium.org/434110
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@33182 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'chrome')
| -rw-r--r-- | chrome/browser/net/websocket_experiment/websocket_experiment_runner.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/chrome/browser/net/websocket_experiment/websocket_experiment_runner.cc b/chrome/browser/net/websocket_experiment/websocket_experiment_runner.cc index 26ba53e..1dfa3d6 100644 --- a/chrome/browser/net/websocket_experiment/websocket_experiment_runner.cc +++ b/chrome/browser/net/websocket_experiment/websocket_experiment_runner.cc @@ -5,6 +5,7 @@ #include "chrome/browser/net/websocket_experiment/websocket_experiment_runner.h" #include "base/compiler_specific.h" +#include "base/field_trial.h" #include "base/histogram.h" #include "base/message_loop.h" #include "base/task.h" @@ -99,6 +100,13 @@ static scoped_refptr<WebSocketExperimentRunner> runner; /* static */ void WebSocketExperimentRunner::Start() { DCHECK(!runner.get()); + + scoped_refptr<FieldTrial> trial = new FieldTrial("WebSocketExperiment", 1000); + trial->AppendGroup("_active", 5); // 0.5% in _active group. + + if (trial->group() == FieldTrial::kNotParticipating) + return; + runner = new WebSocketExperimentRunner; runner->Run(); } |