chrome/browser/prerender/prerender_histograms.cc - Issue 9298032: Field trial to investigate higher weightings for hits when calculating Omnibox prerender confidence.

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Unified Diff: chrome/browser/prerender/prerender_histograms.cc

Issue 9298032: Field trial to investigate higher weightings for hits when calculating Omnibox prerender confidence. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: stringprintf Created 8 years, 11 months ago

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Index: chrome/browser/prerender/prerender_histograms.cc

diff --git a/chrome/browser/prerender/prerender_histograms.cc b/chrome/browser/prerender/prerender_histograms.cc

index cb3b2547ecca84a15e67618f2c3e352fb7c42169..aa2294cb62811ce5eb725cee7195ea2f234f852e 100644

--- a/chrome/browser/prerender/prerender_histograms.cc

+++ b/chrome/browser/prerender/prerender_histograms.cc

@@ -8,6 +8,8 @@

#include "base/metrics/field_trial.h"

#include "base/metrics/histogram.h"

+#include "base/stringprintf.h"

+#include "chrome/browser/autocomplete/network_action_predictor.h"

#include "chrome/browser/prerender/prerender_util.h"

#include "chrome/browser/prerender/prerender_field_trial.h"

@@ -43,7 +45,10 @@ std::string GetHistogramName(Origin origin, uint8 experiment_id,

switch (origin) {

case ORIGIN_OMNIBOX:

- return ComposeHistogramName("omnibox", name);

+ return ComposeHistogramName(

+ StringPrintf("omnibox_%.1f",

+ NetworkActionPredictor::get_hit_weight()).c_str(),

+ name);

case ORIGIN_LINK_REL_PRERENDER:

return ComposeHistogramName("web", name);

case ORIGIN_GWS_PRERENDER: // Handled above.