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Side by Side Diff: chrome/browser/prerender/prerender_field_trial.cc

Issue 9610006: Refactoring, moving and renaming the NetworkActionPredictor. (Closed) Base URL: http://git.chromium.org/chromium/src.git@master
Patch Set: Changing DB to PKS from RefcountedPKS and addressing comments. Created 8 years, 9 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "chrome/browser/prerender/prerender_field_trial.h" 5 #include "chrome/browser/prerender/prerender_field_trial.h"
6 6
7 #include "base/command_line.h" 7 #include "base/command_line.h"
8 #include "base/logging.h" 8 #include "base/logging.h"
9 #include "base/metrics/field_trial.h" 9 #include "base/metrics/field_trial.h"
10 #include "base/metrics/histogram.h" 10 #include "base/metrics/histogram.h"
11 #include "chrome/browser/autocomplete/network_action_predictor.h"
12 #include "chrome/browser/metrics/metrics_service.h" 11 #include "chrome/browser/metrics/metrics_service.h"
12 #include "chrome/browser/predictors/autocomplete_action_predictor.h"
13 #include "chrome/browser/prefs/pref_service.h" 13 #include "chrome/browser/prefs/pref_service.h"
14 #include "chrome/browser/prerender/prerender_manager.h" 14 #include "chrome/browser/prerender/prerender_manager.h"
15 #include "chrome/browser/profiles/profile.h" 15 #include "chrome/browser/profiles/profile.h"
16 #include "chrome/common/chrome_switches.h" 16 #include "chrome/common/chrome_switches.h"
17 #include "chrome/common/chrome_version_info.h" 17 #include "chrome/common/chrome_version_info.h"
18 18
19 namespace prerender { 19 namespace prerender {
20 20
21 namespace { 21 namespace {
22 22
(...skipping 182 matching lines...) Expand 10 before | Expand all | Expand 10 after
205 new base::FieldTrial("OmniboxPrerenderHitWeightingTrial", kDivisor, 205 new base::FieldTrial("OmniboxPrerenderHitWeightingTrial", kDivisor,
206 "OmniboxPrerenderWeight1.0", 2012, 8, 30)); 206 "OmniboxPrerenderWeight1.0", 2012, 8, 30));
207 const int kOmniboxWeightFourGroup = 207 const int kOmniboxWeightFourGroup =
208 weighting_trial->AppendGroup("OmniboxPrerenderWeight4.0", 208 weighting_trial->AppendGroup("OmniboxPrerenderWeight4.0",
209 kFourProbability); 209 kFourProbability);
210 const int kOmniboxWeightEightGroup = 210 const int kOmniboxWeightEightGroup =
211 weighting_trial->AppendGroup("OmniboxPrerenderWeight8.0", 211 weighting_trial->AppendGroup("OmniboxPrerenderWeight8.0",
212 kEightProbability); 212 kEightProbability);
213 const int group = weighting_trial->group(); 213 const int group = weighting_trial->group();
214 if (group == kOmniboxWeightFourGroup) 214 if (group == kOmniboxWeightFourGroup)
215 NetworkActionPredictor::set_hit_weight(4.0); 215 predictors::AutocompleteActionPredictor::set_hit_weight(4.0);
216 else if (group == kOmniboxWeightEightGroup) 216 else if (group == kOmniboxWeightEightGroup)
217 NetworkActionPredictor::set_hit_weight(8.0); 217 predictors::AutocompleteActionPredictor::set_hit_weight(8.0);
218 } 218 }
219 219
220 bool IsOmniboxEnabled(Profile* profile) { 220 bool IsOmniboxEnabled(Profile* profile) {
221 if (!profile || profile->IsOffTheRecord()) 221 if (!profile || profile->IsOffTheRecord())
222 return false; 222 return false;
223 223
224 if (!PrerenderManager::IsPrerenderingPossible()) 224 if (!PrerenderManager::IsPrerenderingPossible())
225 return false; 225 return false;
226 226
227 // Override any field trial groups if the user has set a command line flag. 227 // Override any field trial groups if the user has set a command line flag.
(...skipping 11 matching lines...) Expand all
239 239
240 DCHECK(switch_value == switches::kPrerenderFromOmniboxSwitchValueAuto); 240 DCHECK(switch_value == switches::kPrerenderFromOmniboxSwitchValueAuto);
241 } 241 }
242 242
243 const int group = base::FieldTrialList::FindValue(kOmniboxTrialName); 243 const int group = base::FieldTrialList::FindValue(kOmniboxTrialName);
244 return group == base::FieldTrial::kNotFinalized || 244 return group == base::FieldTrial::kNotFinalized ||
245 group == base::FieldTrial::kDefaultGroupNumber; 245 group == base::FieldTrial::kDefaultGroupNumber;
246 } 246 }
247 247
248 } // namespace prerender 248 } // namespace prerender
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