Move ios_helpers to sdk folder

webrtc/modules/audio_device/ios/helpers_ios.mm

Index: webrtc/modules/audio_device/ios/helpers_ios.mm
diff --git a/webrtc/modules/audio_device/ios/helpers_ios.mm b/webrtc/modules/audio_device/ios/helpers_ios.mm
deleted file mode 100644
index 9a976c0384fc17cb3d76e945024b49ba50e9fc81..0000000000000000000000000000000000000000
--- a/webrtc/modules/audio_device/ios/helpers_ios.mm
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- *  Copyright (c) 2015 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.
- */
-
-#if defined(WEBRTC_IOS)
-
-#import <AVFoundation/AVFoundation.h>
-#import <Foundation/Foundation.h>
-#import <sys/sysctl.h>
-#import <UIKit/UIKit.h>
-
-#include <memory>
-
-#include "webrtc/base/checks.h"
-#include "webrtc/base/logging.h"
-#include "webrtc/modules/audio_device/ios/helpers_ios.h"
-
-namespace webrtc {
-namespace ios {
-
-bool isOperatingSystemAtLeastVersion(double version) {
-  return GetSystemVersion() >= version;
-}
-
-// Internal helper method used by GetDeviceName() to return device name.
-const char* LookUpRealName(const char* raw_name) {
-  // Lookup table which maps raw device names to real (human readable) names.
-  struct {
-    const char* raw_name;
-    const char* real_name;
-  } device_names[] = {
-      {"iPhone1,1", "iPhone 1G"},
-      {"iPhone1,2", "iPhone 3G"},
-      {"iPhone2,1", "iPhone 3GS"},
-      {"iPhone3,1", "iPhone 4"},
-      {"iPhone3,3", "Verizon iPhone 4"},
-      {"iPhone4,1", "iPhone 4S"},
-      {"iPhone5,1", "iPhone 5 (GSM)"},
-      {"iPhone5,2", "iPhone 5 (GSM+CDMA)"},
-      {"iPhone5,3", "iPhone 5c (GSM)"},
-      {"iPhone5,4", "iPhone 5c (GSM+CDMA)"},
-      {"iPhone6,1", "iPhone 5s (GSM)"},
-      {"iPhone6,2", "iPhone 5s (GSM+CDMA)"},
-      {"iPhone7,1", "iPhone 6 Plus"},
-      {"iPhone7,2", "iPhone 6"},
-      {"iPhone8,1", "iPhone 6s"},
-      {"iPhone8,2", "iPhone 6s Plus"},
-      {"iPod1,1", "iPod Touch 1G"},
-      {"iPod2,1", "iPod Touch 2G"},
-      {"iPod3,1", "iPod Touch 3G"},
-      {"iPod4,1", "iPod Touch 4G"},
-      {"iPod5,1", "iPod Touch 5G"},
-      {"iPad1,1", "iPad"},
-      {"iPad2,1", "iPad 2 (WiFi)"},
-      {"iPad2,2", "iPad 2 (GSM)"},
-      {"iPad2,3", "iPad 2 (CDMA)"},
-      {"iPad2,4", "iPad 2 (WiFi)"},
-      {"iPad2,5", "iPad Mini (WiFi)"},
-      {"iPad2,6", "iPad Mini (GSM)"},
-      {"iPad2,7", "iPad Mini (GSM+CDMA)"},
-      {"iPad3,1", "iPad 3 (WiFi)"},
-      {"iPad3,2", "iPad 3 (GSM+CDMA)"},
-      {"iPad3,3", "iPad 3 (GSM)"},
-      {"iPad3,4", "iPad 4 (WiFi)"},
-      {"iPad3,5", "iPad 4 (GSM)"},
-      {"iPad3,6", "iPad 4 (GSM+CDMA)"},
-      {"iPad4,1", "iPad Air (WiFi)"},
-      {"iPad4,2", "iPad Air (Cellular)"},
-      {"iPad4,4", "iPad mini 2G (WiFi)"},
-      {"iPad4,5", "iPad mini 2G (Cellular)"},
-      {"i386", "Simulator"},
-      {"x86_64", "Simulator"},
-  };
-
-  for (auto& d : device_names) {
-    if (strcmp(d.raw_name, raw_name) == 0)
-      return d.real_name;
-  }
-  LOG(LS_WARNING) << "Failed to find device name (" << raw_name << ")";
-  return "";
-}
-
-// TODO(henrika): move to shared location.
-// See https://code.google.com/p/webrtc/issues/detail?id=4773 for details.
-NSString* NSStringFromStdString(const std::string& stdString) {
-  // std::string may contain null termination character so we construct
-  // using length.
-  return [[NSString alloc] initWithBytes:stdString.data()
-                                  length:stdString.length()
-                                encoding:NSUTF8StringEncoding];
-}
-
-std::string StdStringFromNSString(NSString* nsString) {
-  NSData* charData = [nsString dataUsingEncoding:NSUTF8StringEncoding];
-  return std::string(reinterpret_cast<const char*>([charData bytes]),
-                     [charData length]);
-}
-
-bool CheckAndLogError(BOOL success, NSError* error) {
-  if (!success) {
-    NSString* msg =
-        [NSString stringWithFormat:@"Error: %ld, %@, %@", (long)error.code,
-                                   error.localizedDescription,
-                                   error.localizedFailureReason];
-    LOG(LS_ERROR) << StdStringFromNSString(msg);
-    return false;
-  }
-  return true;
-}
-
-// TODO(henrika): see if it is possible to move to GetThreadName in
-// platform_thread.h and base it on pthread methods instead.
-std::string GetCurrentThreadDescription() {
-  NSString* name = [NSString stringWithFormat:@"%@", [NSThread currentThread]];
-  return StdStringFromNSString(name);
-}
-
-std::string GetAudioSessionCategory() {
-  NSString* category = [[AVAudioSession sharedInstance] category];
-  return StdStringFromNSString(category);
-}
-
-std::string GetSystemName() {
-  NSString* osName = [[UIDevice currentDevice] systemName];
-  return StdStringFromNSString(osName);
-}
-
-std::string GetSystemVersionAsString() {
-  NSString* osVersion = [[UIDevice currentDevice] systemVersion];
-  return StdStringFromNSString(osVersion);
-}
-
-double GetSystemVersion() {
-  static dispatch_once_t once_token;
-  static double system_version;
-  dispatch_once(&once_token, ^{
-    system_version = [UIDevice currentDevice].systemVersion.doubleValue;
-  });
-  return system_version;
-}
-
-std::string GetDeviceType() {
-  NSString* deviceModel = [[UIDevice currentDevice] model];
-  return StdStringFromNSString(deviceModel);
-}
-
-std::string GetDeviceName() {
-  size_t size;
-  sysctlbyname("hw.machine", NULL, &size, NULL, 0);
-  std::unique_ptr<char[]> machine;
-  machine.reset(new char[size]);
-  sysctlbyname("hw.machine", machine.get(), &size, NULL, 0);
-  return std::string(LookUpRealName(machine.get()));
-}
-
-std::string GetProcessName() {
-  NSString* processName = [NSProcessInfo processInfo].processName;
-  return StdStringFromNSString(processName);
-}
-
-int GetProcessID() {
-  return [NSProcessInfo processInfo].processIdentifier;
-}
-
-std::string GetOSVersionString() {
-  NSString* osVersion =
-      [NSProcessInfo processInfo].operatingSystemVersionString;
-  return StdStringFromNSString(osVersion);
-}
-
-int GetProcessorCount() {
-  return [NSProcessInfo processInfo].processorCount;
-}
-
-#if defined(__IPHONE_9_0) && defined(__IPHONE_OS_VERSION_MAX_ALLOWED) \
-    && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_9_0
-bool GetLowPowerModeEnabled() {
-  if (isOperatingSystemAtLeastVersion(9.0)) {
-    // lowPoweredModeEnabled is only available on iOS9+.
-    return [NSProcessInfo processInfo].lowPowerModeEnabled;
-  }
-  LOG(LS_WARNING) << "webrtc::ios::GetLowPowerModeEnabled() is not "
-                     "supported. Requires at least iOS 9.0";
-  return false;
-}
-#endif
-
-}  // namespace ios
-}  // namespace webrtc
-
-#endif  // defined(WEBRTC_IOS)