webkit/glue/webkit_constants.h - Issue 6577021: Increased the minimum timer interval for background tabs to 1000...

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Side by Side Diff: webkit/glue/webkit_constants.h

Issue 6577021: Increased the minimum timer interval for background tabs to 1000... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/

Patch Set: Created 9 years, 10 months ago

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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.	1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #ifndef WEBKIT_GLUE_WEBKIT_CONSTANTS_H_	5 #ifndef WEBKIT_GLUE_WEBKIT_CONSTANTS_H_

6 #define WEBKIT_GLUE_WEBKIT_CONSTANTS_H_	6 #define WEBKIT_GLUE_WEBKIT_CONSTANTS_H_

7	7

8 namespace webkit_glue {	8 namespace webkit_glue {

9	9

10 // Chromium sets the minimum interval timeout to 4ms, overriding the	10 // Chromium sets the minimum interval timeout to 4ms, overriding the

11 // default of 10ms. We'd like to go lower, however there are poorly	11 // default of 10ms. We'd like to go lower, however there are poorly

12 // coded websites out there which do create CPU-spinning loops. Using	12 // coded websites out there which do create CPU-spinning loops. Using

13 // 4ms prevents the CPU from spinning too busily and provides a balance	13 // 4ms prevents the CPU from spinning too busily and provides a balance

14 // between CPU spinning and the smallest possible interval timer.	14 // between CPU spinning and the smallest possible interval timer.

15 const double kForegroundTabTimerInterval = 0.004;	15 const double kForegroundTabTimerInterval = 0.004;

16	16

17 // Provides control over the minimum timer interval for background tabs.	17 // Provides control over the minimum timer interval for background tabs.

18 const double kBackgroundTabTimerInterval = 0.004;	18 const double kBackgroundTabTimerInterval = 1.0;

19	19

20 } // namespace webkit_glue	20 } // namespace webkit_glue

21	21

22 #endif // WEBKIT_GLUE_WEBKIT_CONSTANTS_H_	22 #endif // WEBKIT_GLUE_WEBKIT_CONSTANTS_H_

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