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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 #include "content/browser/renderer_host/resource_dispatcher_host.h" | 18 #include "content/browser/renderer_host/resource_dispatcher_host.h" |
19 | 19 |
20 namespace prerender { | 20 namespace prerender { |
21 | 21 |
22 namespace { | 22 namespace { |
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207 new base::FieldTrial("OmniboxPrerenderHitWeightingTrial", kDivisor, | 207 new base::FieldTrial("OmniboxPrerenderHitWeightingTrial", kDivisor, |
208 "OmniboxPrerenderWeight1.0", 2012, 8, 30)); | 208 "OmniboxPrerenderWeight1.0", 2012, 8, 30)); |
209 const int kOmniboxWeightFourGroup = | 209 const int kOmniboxWeightFourGroup = |
210 weighting_trial->AppendGroup("OmniboxPrerenderWeight4.0", | 210 weighting_trial->AppendGroup("OmniboxPrerenderWeight4.0", |
211 kFourProbability); | 211 kFourProbability); |
212 const int kOmniboxWeightEightGroup = | 212 const int kOmniboxWeightEightGroup = |
213 weighting_trial->AppendGroup("OmniboxPrerenderWeight8.0", | 213 weighting_trial->AppendGroup("OmniboxPrerenderWeight8.0", |
214 kEightProbability); | 214 kEightProbability); |
215 const int group = weighting_trial->group(); | 215 const int group = weighting_trial->group(); |
216 if (group == kOmniboxWeightFourGroup) | 216 if (group == kOmniboxWeightFourGroup) |
217 NetworkActionPredictor::set_hit_weight(4.0); | 217 predictors::AutocompleteActionPredictor::set_hit_weight(4.0); |
218 else if (group == kOmniboxWeightEightGroup) | 218 else if (group == kOmniboxWeightEightGroup) |
219 NetworkActionPredictor::set_hit_weight(8.0); | 219 predictors::AutocompleteActionPredictor::set_hit_weight(8.0); |
220 } | 220 } |
221 | 221 |
222 bool IsOmniboxEnabled(Profile* profile) { | 222 bool IsOmniboxEnabled(Profile* profile) { |
223 if (!profile || profile->IsOffTheRecord()) | 223 if (!profile || profile->IsOffTheRecord()) |
224 return false; | 224 return false; |
225 | 225 |
226 if (!PrerenderManager::IsPrerenderingPossible()) | 226 if (!PrerenderManager::IsPrerenderingPossible()) |
227 return false; | 227 return false; |
228 | 228 |
229 // Override any field trial groups if the user has set a command line flag. | 229 // Override any field trial groups if the user has set a command line flag. |
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241 | 241 |
242 DCHECK(switch_value == switches::kPrerenderFromOmniboxSwitchValueAuto); | 242 DCHECK(switch_value == switches::kPrerenderFromOmniboxSwitchValueAuto); |
243 } | 243 } |
244 | 244 |
245 const int group = base::FieldTrialList::FindValue(kOmniboxTrialName); | 245 const int group = base::FieldTrialList::FindValue(kOmniboxTrialName); |
246 return group == base::FieldTrial::kNotFinalized || | 246 return group == base::FieldTrial::kNotFinalized || |
247 group == base::FieldTrial::kDefaultGroupNumber; | 247 group == base::FieldTrial::kDefaultGroupNumber; |
248 } | 248 } |
249 | 249 |
250 } // namespace prerender | 250 } // namespace prerender |
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