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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" |
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278 if (!profile) | 278 if (!profile) |
279 return false; | 279 return false; |
280 | 280 |
281 // Override any field trial groups if the user has set a command line flag. | 281 // Override any field trial groups if the user has set a command line flag. |
282 if (CommandLine::ForCurrentProcess()->HasSwitch( | 282 if (CommandLine::ForCurrentProcess()->HasSwitch( |
283 switches::kSpeculativeResourcePrefetching)) { | 283 switches::kSpeculativeResourcePrefetching)) { |
284 const std::string switch_value = | 284 const std::string switch_value = |
285 CommandLine::ForCurrentProcess()->GetSwitchValueASCII( | 285 CommandLine::ForCurrentProcess()->GetSwitchValueASCII( |
286 switches::kSpeculativeResourcePrefetching); | 286 switches::kSpeculativeResourcePrefetching); |
287 | 287 |
288 if (switch_value == switches::kSpeculativeResourcePrefetchingLearning) | 288 return switch_value == switches::kSpeculativeResourcePrefetchingLearning; |
289 return true; | |
290 } | 289 } |
291 | 290 |
292 const int group = FieldTrialList::FindValue( | 291 const int group = FieldTrialList::FindValue( |
293 kSpeculativePrefetchingLearningTrialName); | 292 kSpeculativePrefetchingLearningTrialName); |
294 return group == g_speculative_prefetching_learning_default_group_number; | 293 return group == g_speculative_prefetching_learning_default_group_number; |
295 } | 294 } |
296 | 295 |
297 } // namespace prerender | 296 } // namespace prerender |
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