Convert //content/browser from scoped_ptr to std::unique_ptr

content/browser/tracing/background_tracing_rule.h

 // Copyright 2015 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.
 
 #ifndef CONTENT_BROWSER_TRACING_BACKGROUND_TRACING_RULE_H_
 #define CONTENT_BROWSER_TRACING_BACKGROUND_TRACING_RULE_H_
 
 #include "base/macros.h"
 #include "content/browser/tracing/background_tracing_config_impl.h"
 #include "content/common/content_export.h"
@@ skipping 15 matching lines @@
   virtual bool ShouldTriggerNamedEvent(const std::string& named_event) const;
   virtual BackgroundTracingConfigImpl::CategoryPreset GetCategoryPreset() const;
   virtual void OnHistogramTrigger(const std::string& histogram_name) const {}
 
   // Seconds from the rule is triggered to finalization should start.
   virtual int GetTraceTimeout() const;
 
   // Probability that we should allow a tigger to  happen.
   double trigger_chance() const { return trigger_chance_; }
 
-  static scoped_ptr<BackgroundTracingRule> PreemptiveRuleFromDict(
+  static std::unique_ptr<BackgroundTracingRule> PreemptiveRuleFromDict(
       const base::DictionaryValue* dict);
 
-  static scoped_ptr<BackgroundTracingRule> ReactiveRuleFromDict(
+  static std::unique_ptr<BackgroundTracingRule> ReactiveRuleFromDict(
       const base::DictionaryValue* dict,
       BackgroundTracingConfigImpl::CategoryPreset category_preset);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BackgroundTracingRule);
 
   double trigger_chance_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_TRACING_BACKGROUND_TRACING_RULE_H_