Update from https://crrev.com/333737

base/trace_event/trace_event_argument.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 BASE_TRACE_EVENT_TRACE_EVENT_ARGUMENT_H_
 #define BASE_TRACE_EVENT_TRACE_EVENT_ARGUMENT_H_
 
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/trace_event/trace_event.h"
 
 namespace base {
 class DictionaryValue;
 class ListValue;
 class Value;
 
 namespace trace_event {
 
 class BASE_EXPORT TracedValue : public ConvertableToTraceFormat {
  public:
   TracedValue();
 
   void EndDictionary();
   void EndArray();
 
   void SetInteger(const char* name, int value);
-  void SetDouble(const char* name, double);
+  void SetDouble(const char* name, double value);
   void SetBoolean(const char* name, bool value);
   void SetString(const char* name, const std::string& value);
   void SetValue(const char* name, scoped_ptr<Value> value);
   void BeginDictionary(const char* name);
   void BeginArray(const char* name);
 
   void AppendInteger(int);
   void AppendDouble(double);
   void AppendBoolean(bool);
   void AppendString(const std::string&);
@@ skipping 10 matching lines @@
 
   scoped_ptr<base::Value> root_;
   std::vector<Value*> stack_;  // Weak references.
   DISALLOW_COPY_AND_ASSIGN(TracedValue);
 };
 
 }  // namespace trace_event
 }  // namespace base
 
 #endif  // BASE_TRACE_EVENT_TRACE_EVENT_ARGUMENT_H_