cc/frame_rate_counter.cc - Issue 11410021: Remove WTF and WebCore from cc/ and webkit/compositor_bindings/

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Issue 11410021: Remove WTF and WebCore from cc/ and webkit/compositor_bindings/ (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Created 8 years, 1 month ago

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1 // Copyright 2012 The Chromium Authors. All rights reserved.	1 // Copyright 2012 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 #include "config.h"

6

7 #include "cc/frame_rate_counter.h"	5 #include "cc/frame_rate_counter.h"

8	6

9 #include <cmath>	7 #include <cmath>

10	8

11 #include "base/metrics/histogram.h"	9 #include "base/metrics/histogram.h"

12 #include "cc/proxy.h"	10 #include "cc/proxy.h"

13	11

14 namespace cc {	12 namespace cc {

15	13

16 const double FrameRateCounter::kFrameTooFast = 1.0 / 70.0; // measured in second s	14 const double FrameRateCounter::kFrameTooFast = 1.0 / 70.0; // measured in second s

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126	124

127 base::TimeTicks FrameRateCounter::timeStampOfRecentFrame(int n) const	125 base::TimeTicks FrameRateCounter::timeStampOfRecentFrame(int n) const

128 {	126 {

129 DCHECK(n >= 0);	127 DCHECK(n >= 0);

130 DCHECK(n < kTimeStampHistorySize);	128 DCHECK(n < kTimeStampHistorySize);

131 int desiredIndex = (frameIndex(m_currentFrameNumber) + n) % kTimeStampHistor ySize;	129 int desiredIndex = (frameIndex(m_currentFrameNumber) + n) % kTimeStampHistor ySize;

132 return m_timeStampHistory[desiredIndex];	130 return m_timeStampHistory[desiredIndex];

133 }	131 }

134	132

135 } // namespace cc	133 } // namespace cc

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