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Side by Side Diff: components/metrics/metrics_state_manager.cc

Issue 774933004: Prefix CommandLine usage with base namespace (Part 9: components) (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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 "components/metrics/metrics_state_manager.h" 5 #include "components/metrics/metrics_state_manager.h"
6 6
7 #include "base/command_line.h" 7 #include "base/command_line.h"
8 #include "base/guid.h" 8 #include "base/guid.h"
9 #include "base/metrics/histogram.h" 9 #include "base/metrics/histogram.h"
10 #include "base/metrics/sparse_histogram.h" 10 #include "base/metrics/sparse_histogram.h"
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263 return client_info.Pass(); 263 return client_info.Pass();
264 } 264 }
265 265
266 int MetricsStateManager::GetLowEntropySource() { 266 int MetricsStateManager::GetLowEntropySource() {
267 // Note that the default value for the low entropy source and the default pref 267 // Note that the default value for the low entropy source and the default pref
268 // value are both kLowEntropySourceNotSet, which is used to identify if the 268 // value are both kLowEntropySourceNotSet, which is used to identify if the
269 // value has been set or not. 269 // value has been set or not.
270 if (low_entropy_source_ != kLowEntropySourceNotSet) 270 if (low_entropy_source_ != kLowEntropySourceNotSet)
271 return low_entropy_source_; 271 return low_entropy_source_;
272 272
273 const CommandLine* command_line(CommandLine::ForCurrentProcess()); 273 const base::CommandLine* command_line(base::CommandLine::ForCurrentProcess());
274 // Only try to load the value from prefs if the user did not request a 274 // Only try to load the value from prefs if the user did not request a
275 // reset. 275 // reset.
276 // Otherwise, skip to generating a new value. 276 // Otherwise, skip to generating a new value.
277 if (!command_line->HasSwitch(switches::kResetVariationState)) { 277 if (!command_line->HasSwitch(switches::kResetVariationState)) {
278 int value = local_state_->GetInteger(prefs::kMetricsLowEntropySource); 278 int value = local_state_->GetInteger(prefs::kMetricsLowEntropySource);
279 // If the value is outside the [0, kMaxLowEntropySize) range, re-generate 279 // If the value is outside the [0, kMaxLowEntropySize) range, re-generate
280 // it below. 280 // it below.
281 if (value >= 0 && value < kMaxLowEntropySize) { 281 if (value >= 0 && value < kMaxLowEntropySize) {
282 low_entropy_source_ = value; 282 low_entropy_source_ = value;
283 UMA_HISTOGRAM_BOOLEAN("UMA.GeneratedLowEntropySource", false); 283 UMA_HISTOGRAM_BOOLEAN("UMA.GeneratedLowEntropySource", false);
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306 306
307 local_state_->ClearPref(prefs::kMetricsClientID); 307 local_state_->ClearPref(prefs::kMetricsClientID);
308 local_state_->ClearPref(prefs::kMetricsLowEntropySource); 308 local_state_->ClearPref(prefs::kMetricsLowEntropySource);
309 local_state_->ClearPref(prefs::kMetricsResetIds); 309 local_state_->ClearPref(prefs::kMetricsResetIds);
310 310
311 // Also clear the backed up client info. 311 // Also clear the backed up client info.
312 store_client_info_.Run(ClientInfo()); 312 store_client_info_.Run(ClientInfo());
313 } 313 }
314 314
315 } // namespace metrics 315 } // namespace metrics
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