Integrate Crashpad UMA

chrome/browser/chrome_browser_field_trials.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chrome_browser_field_trials.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/feature_list.h"
@@ skipping 92 matching lines @@
       base::GlobalHistogramAllocator::Get();
   UMA_HISTOGRAM_ENUMERATION("UMA.PersistentHistograms.InitResult",
                             result + (allocator ? 0 : 1),
                             CREATE_ALLOCATOR_RESULTS);
   if (!allocator)
     return;
 
   // Create tracking histograms for the allocator and record storage file.
   allocator->CreateTrackingHistograms(
       ChromeMetricsServiceClient::kBrowserMetricsName);
-  allocator->SetPersistentLocation(active_file);
 }
 
 // Create a field trial to control metrics/crash sampling for Stable on
 // Windows/Android if no variations seed was applied.
 void CreateFallbackSamplingTrialIfNeeded(bool has_seed,
                                          base::FeatureList* feature_list) {
 #if defined(OS_WIN) || defined(OS_ANDROID)
   // Only create the fallback trial if there isn't already a variations seed
   // being applied. This should occur during first run when first-run variations
   // isn't supported. It's assumed that, if there is a seed, then it either
@@ skipping 32 matching lines @@
     bool has_seed,
     base::FeatureList* feature_list) {
   CreateFallbackSamplingTrialIfNeeded(has_seed, feature_list);
 }
 
 void ChromeBrowserFieldTrials::InstantiateDynamicTrials() {
   // Persistent histograms must be enabled as soon as possible.
   InstantiatePersistentHistograms();
   tracing::SetupBackgroundTracingFieldTrial();
 }