Delete unused code, cpuinfo.{h,cc}.

webrtc/media/base/cpuid.h

-/*
- *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef WEBRTC_MEDIA_BASE_CPUID_H_
-#define WEBRTC_MEDIA_BASE_CPUID_H_
-
-#include "webrtc/base/constructormagic.h"
-
-namespace cricket {
-
-class CpuInfo {
- public:
-  // The following flags must match libyuv/cpu_id.h values.
-  // Internal flag to indicate cpuid requires initialization.
-  static const int kCpuInit = 0x1;
-
-  // These flags are only valid on ARM processors.
-  static const int kCpuHasARM = 0x2;
-  static const int kCpuHasNEON = 0x4;
-  // 0x8 reserved for future ARM flag.
-
-  // These flags are only valid on x86 processors.
-  static const int kCpuHasX86 = 0x10;
-  static const int kCpuHasSSE2 = 0x20;
-  static const int kCpuHasSSSE3 = 0x40;
-  static const int kCpuHasSSE41 = 0x80;
-  static const int kCpuHasSSE42 = 0x100;
-  static const int kCpuHasAVX = 0x200;
-  static const int kCpuHasAVX2 = 0x400;
-  static const int kCpuHasERMS = 0x800;
-
-  // These flags are only valid on MIPS processors.
-  static const int kCpuHasMIPS = 0x1000;
-  static const int kCpuHasMIPS_DSP = 0x2000;
-  static const int kCpuHasMIPS_DSPR2 = 0x4000;
-
-  // Detect CPU has SSE2 etc.
-  static bool TestCpuFlag(int flag);
-
-  // For testing, allow CPU flags to be disabled.
-  static void MaskCpuFlagsForTest(int enable_flags);
-
- private:
-  RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(CpuInfo);
-};
-
-// Detect an Intel Core I5 or better such as 4th generation Macbook Air.
-bool IsCoreIOrBetter();
-
-}  // namespace cricket
-
-#endif  // WEBRTC_MEDIA_BASE_CPUID_H_