HalfLifeTimeDecay  209 chrome/browser/autocomplete/history_url_provider.cc     decayed_count *= score_buckets.HalfLifeTimeDecay(time_since_last_visit);
HalfLifeTimeDecay   36 chrome/browser/omnibox/omnibox_field_trial.h     double HalfLifeTimeDecay(const base::TimeDelta& elapsed_time) const;
HalfLifeTimeDecay  410 chrome/browser/omnibox/omnibox_field_trial_unittest.cc TEST_F(OmniboxFieldTrialTest, HalfLifeTimeDecay) {
HalfLifeTimeDecay  414 chrome/browser/omnibox/omnibox_field_trial_unittest.cc   EXPECT_EQ(1.0, buckets.HalfLifeTimeDecay(base::TimeDelta::FromDays(7)));
HalfLifeTimeDecay  417 chrome/browser/omnibox/omnibox_field_trial_unittest.cc   EXPECT_EQ(0.5, buckets.HalfLifeTimeDecay(base::TimeDelta::FromDays(7)));
HalfLifeTimeDecay  418 chrome/browser/omnibox/omnibox_field_trial_unittest.cc   EXPECT_EQ(0.25, buckets.HalfLifeTimeDecay(base::TimeDelta::FromDays(14)));
HalfLifeTimeDecay  419 chrome/browser/omnibox/omnibox_field_trial_unittest.cc   EXPECT_EQ(1.0, buckets.HalfLifeTimeDecay(base::TimeDelta::FromDays(0)));
HalfLifeTimeDecay  420 chrome/browser/omnibox/omnibox_field_trial_unittest.cc   EXPECT_EQ(1.0, buckets.HalfLifeTimeDecay(base::TimeDelta::FromDays(-1)));