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| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_JANKOMETER_H_ | |
| 6 #define CHROME_BROWSER_JANKOMETER_H_ | |
| 7 | |
| 8 namespace base { | |
| 9 class CommandLine; | |
| 10 } | |
| 11 | |
| 12 // The Jank-O-Meter measures jankyness, which is user-perceivable lag in | |
| 13 // responsiveness of the application. | |
| 14 // | |
| 15 // It will log such "lag" events to the metrics log. | |
| 16 // | |
| 17 // This function will initialize the service, which will install itself in | |
| 18 // critical threads. It should be called on the UI thread. | |
| 19 void InstallJankometer(const base::CommandLine& parsed_command_line); | |
| 20 | |
| 21 // Clean up Jank-O-Meter junk | |
| 22 void UninstallJankometer(); | |
| 23 | |
| 24 #endif // CHROME_BROWSER_JANKOMETER_H_ | |
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