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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: Resolved sync conflicts. Created 8 years, 7 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
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210 "OmniboxPrerenderHitWeightingTrial", kDivisor, 210 "OmniboxPrerenderHitWeightingTrial", kDivisor,
211 "OmniboxPrerenderWeight1.0", 2012, 8, 30, NULL)); 211 "OmniboxPrerenderWeight1.0", 2012, 8, 30, NULL));
212 const int kOmniboxWeightFourGroup = 212 const int kOmniboxWeightFourGroup =
213 weighting_trial->AppendGroup("OmniboxPrerenderWeight4.0", 213 weighting_trial->AppendGroup("OmniboxPrerenderWeight4.0",
214 kFourProbability); 214 kFourProbability);
215 const int kOmniboxWeightEightGroup = 215 const int kOmniboxWeightEightGroup =
216 weighting_trial->AppendGroup("OmniboxPrerenderWeight8.0", 216 weighting_trial->AppendGroup("OmniboxPrerenderWeight8.0",
217 kEightProbability); 217 kEightProbability);
218 const int group = weighting_trial->group(); 218 const int group = weighting_trial->group();
219 if (group == kOmniboxWeightFourGroup) 219 if (group == kOmniboxWeightFourGroup)
220 NetworkActionPredictor::set_hit_weight(4.0); 220 AutocompleteActionPredictor::set_hit_weight(4.0);
221 else if (group == kOmniboxWeightEightGroup) 221 else if (group == kOmniboxWeightEightGroup)
222 NetworkActionPredictor::set_hit_weight(8.0); 222 AutocompleteActionPredictor::set_hit_weight(8.0);
223 } 223 }
224 224
225 bool IsOmniboxEnabled(Profile* profile) { 225 bool IsOmniboxEnabled(Profile* profile) {
226 if (!profile || profile->IsOffTheRecord()) 226 if (!profile || profile->IsOffTheRecord())
227 return false; 227 return false;
228 228
229 if (!PrerenderManager::IsPrerenderingPossible()) 229 if (!PrerenderManager::IsPrerenderingPossible())
230 return false; 230 return false;
231 231
232 // Override any field trial groups if the user has set a command line flag. 232 // Override any field trial groups if the user has set a command line flag.
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244 244
245 DCHECK(switch_value == switches::kPrerenderFromOmniboxSwitchValueAuto); 245 DCHECK(switch_value == switches::kPrerenderFromOmniboxSwitchValueAuto);
246 } 246 }
247 247
248 const int group = base::FieldTrialList::FindValue(kOmniboxTrialName); 248 const int group = base::FieldTrialList::FindValue(kOmniboxTrialName);
249 return group == base::FieldTrial::kNotFinalized || 249 return group == base::FieldTrial::kNotFinalized ||
250 group == g_omnibox_trial_default_group_number; 250 group == g_omnibox_trial_default_group_number;
251 } 251 }
252 252
253 } // namespace prerender 253 } // namespace prerender
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