Convert //components/[f-n]* from scoped_ptr to std::unique_ptr

components/feedback/tracing_manager.h

 // Copyright 2014 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 COMPONENTS_FEEDBACK_TRACING_MANAGER_H_
 #define COMPONENTS_FEEDBACK_TRACING_MANAGER_H_
 
 #include <map>
+#include <memory>
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/values.h"
 
 namespace base {
 
 class RefCountedString;
 class FilePath;
 
 }
 // Callback used for getting the output of a trace.
 typedef base::Callback<void(scoped_refptr<base::RefCountedString> trace_data)>
     TraceDataCallback;
 
 // This class is used to manage performance metrics that can be attached to
 // feedback reports.  This class is a Singleton that is owned by the preference
 // system.  It should only be created when it is enabled, and should only be
 // accessed elsewhere via Get().
 //
 // When a performance trace is desired, TracingManager::Get()->RequestTrace()
 // should be invoked.  The TracingManager will then start preparing a zipped
 // version of the performance data.  That data can then be requested via
 // GetTraceData().  When the data is no longer needed, it should be discarded
 // via DiscardTraceData().
 class TracingManager {
  public:
   virtual ~TracingManager();
 
   // Create a TracingManager.  Can only be called when none exists.
-  static scoped_ptr<TracingManager> Create();
+  static std::unique_ptr<TracingManager> Create();
 
   // Get the current TracingManager.  Returns NULL if one doesn't exist.
   static TracingManager* Get();
 
   // Request a trace ending at the current time.  If a trace is already being
   // collected, the id for that trace is returned.
   int RequestTrace();
 
   // Get the trace data for |id|.  On success, true is returned, and the data is
   // returned via |callback|.  Returns false on failure.
   bool GetTraceData(int id, const TraceDataCallback& callback);
 
   // Discard the data for trace |id|.
   void DiscardTraceData(int id);
 
  private:
   TracingManager();
 
   void StartTracing();
-  void OnTraceDataCollected(scoped_ptr<const base::DictionaryValue> metadata,
-                            base::RefCountedString* data);
+  void OnTraceDataCollected(
+      std::unique_ptr<const base::DictionaryValue> metadata,
+      base::RefCountedString* data);
 
   // ID of the trace that is being collected.
   int current_trace_id_;
 
   // Mapping of trace ID to trace data.
   std::map<int, scoped_refptr<base::RefCountedString> > trace_data_;
 
   // Callback for the current trace request.
   TraceDataCallback trace_callback_;
 
   base::WeakPtrFactory<TracingManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TracingManager);
 };
 
 #endif  // COMPONENTS_FEEDBACK_TRACING_MANAGER_H_