Enabling speculative resource prefetching for 90% users in canary/dev.

chrome/browser/prerender/prerender_field_trial.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/prerender/prerender_field_trial.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
@@ skipping 238 matching lines @@
 
   const int group = FieldTrialList::FindValue(kOmniboxTrialName);
   return group == FieldTrial::kNotFinalized ||
          group == g_omnibox_trial_default_group_number;
 }
 
 void ConfigureSpeculativePrefetching() {
   // Field trial to see if we're enabled.
   const FieldTrial::Probability kDivisor = 100;
 
-  FieldTrial::Probability kDisabledProbability = 99;
+  FieldTrial::Probability kDisabledProbability = 10;
   chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
   if (channel == chrome::VersionInfo::CHANNEL_STABLE ||
       channel == chrome::VersionInfo::CHANNEL_BETA) {
     kDisabledProbability = 100;
   }
   scoped_refptr<FieldTrial> speculative_prefetching_learning_trial(
       FieldTrialList::FactoryGetFieldTrial(
           kSpeculativePrefetchingLearningTrialName,
           kDivisor,
           "SpeculativePrefetchingLearningEnabled",
@@ skipping 18 matching lines @@
     if (switch_value == switches::kSpeculativeResourcePrefetchingLearning)
       return true;
   }
 
   const int group = FieldTrialList::FindValue(
       kSpeculativePrefetchingLearningTrialName);
   return group == g_speculative_prefetching_learning_default_group_number;
 }
 
 }  // namespace prerender