|  | // 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 COMPONENTS_TRACING_COMMON_TRACING_SWITCHES_H_ | 
|  | #define COMPONENTS_TRACING_COMMON_TRACING_SWITCHES_H_ | 
|  |  | 
|  | #include "components/tracing/tracing_export.h" | 
|  |  | 
|  | namespace switches { | 
|  |  | 
|  | TRACING_EXPORT extern const char kTraceConfigFile[]; | 
|  | TRACING_EXPORT extern const char kTraceShutdown[]; | 
|  | TRACING_EXPORT extern const char kTraceShutdownFile[]; | 
|  | TRACING_EXPORT extern const char kTraceStartup[]; | 
|  | TRACING_EXPORT extern const char kTraceStartupDuration[]; | 
|  | TRACING_EXPORT extern const char kTraceStartupFile[]; | 
|  | TRACING_EXPORT extern const char kTraceToConsole[]; | 
|  | TRACING_EXPORT extern const char kTraceUploadURL[]; | 
|  |  | 
|  | }  // namespace switches | 
|  |  | 
|  | #endif  // COMPONENTS_TRACING_COMMON_TRACING_SWITCHES_H_ |