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

content/browser/tracing/background_tracing_manager_impl.h

Index: content/browser/tracing/background_tracing_manager_impl.h
diff --git a/content/browser/tracing/background_tracing_manager_impl.h b/content/browser/tracing/background_tracing_manager_impl.h
index f1d88f26b2b6e3258cfce7e8af09e78b8faade62..bcb25a4214e6321769af273756a02eb4ed5f6efa 100644
--- a/content/browser/tracing/background_tracing_manager_impl.h
+++ b/content/browser/tracing/background_tracing_manager_impl.h
@@ -5,10 +5,11 @@
 #ifndef CONTENT_BROWSER_TRACING_BACKGROUND_TRACING_MANAGER_IMPL_H_
 #define CONTENT_BROWSER_TRACING_BACKGROUND_TRACING_MANAGER_IMPL_H_
 
+#include <memory>
+
 #include "base/lazy_instance.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted_memory.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/metrics/histogram.h"
 #include "content/browser/tracing/background_tracing_config_impl.h"
@@ -25,7 +26,7 @@ class BackgroundTracingManagerImpl : public BackgroundTracingManager {
  public:
   static CONTENT_EXPORT BackgroundTracingManagerImpl* GetInstance();
 
-  bool SetActiveScenario(scoped_ptr<BackgroundTracingConfig>,
+  bool SetActiveScenario(std::unique_ptr<BackgroundTracingConfig>,
                          const ReceiveCallback&,
                          DataFiltering data_filtering) override;
   void WhenIdle(IdleCallback idle_callback) override;
@@ -55,9 +56,8 @@ class BackgroundTracingManagerImpl : public BackgroundTracingManager {
 
   void StartTracing(std::string, base::trace_event::TraceRecordMode);
   void StartTracingIfConfigNeedsIt();
-  void OnFinalizeStarted(
-      scoped_ptr<const base::DictionaryValue> metadata,
-      base::RefCountedString*);
+  void OnFinalizeStarted(std::unique_ptr<const base::DictionaryValue> metadata,
+                         base::RefCountedString*);
   void OnFinalizeComplete();
   void BeginFinalizing(StartedFinalizingCallback);
   void ValidateStartupScenario();
@@ -90,10 +90,10 @@ class BackgroundTracingManagerImpl : public BackgroundTracingManager {
     StartedFinalizingCallback callback_;
   };
 
-  scoped_ptr<TracingDelegate> delegate_;
-  scoped_ptr<const content::BackgroundTracingConfigImpl> config_;
+  std::unique_ptr<TracingDelegate> delegate_;
+  std::unique_ptr<const content::BackgroundTracingConfigImpl> config_;
   std::map<TriggerHandle, std::string> trigger_handles_;
-  scoped_ptr<TracingTimer> tracing_timer_;
+  std::unique_ptr<TracingTimer> tracing_timer_;
   ReceiveCallback receive_callback_;
 
   bool is_gathering_;