Moving the iOS directory to be remoting top level.

remoting/client/ios/host_preferences.mm

-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-#import "remoting/client/ios/host_preferences.h"
-
-#import "base/logging.h"
-#import "remoting/client/ios/host_preferences_persistence.h"
-
-namespace {
-static NSString* const kHostPreferencesDataKeyHostDictionary =
-    @"kHostPreferencesDataKeyHostDictionary";
-static NSString* const kHostPreferencesHostIdKey = @"HostId";
-static NSString* const kHostPreferencesPairIdKey = @"PairId";
-static NSString* const kHostPreferencesPairSecretKey = @"PairSecret";
-}  // namespace
-
-@interface HostPreferences ()
-
-// Load the known hosts from the Keychain.
-// If no data exists, return an empty dictionary
-+ (NSMutableDictionary*)loadHosts;
-
-@end
-
-@implementation HostPreferences
-
-@synthesize hostId = _hostId;
-@synthesize pairId = _pairId;
-@synthesize pairSecret = _pairSecret;
-
-#pragma mark - Public
-
-- (void)saveToKeychain {
-  NSMutableDictionary* hosts = [HostPreferences loadHosts];
-  [hosts setObject:self forKey:_hostId];
-
-  NSData* writeData = [NSKeyedArchiver archivedDataWithRootObject:hosts];
-
-  NSError* keychainError =
-      remoting::ios::WriteHostPreferencesToKeychain(writeData);
-
-  LOG_IF(ERROR, !keychainError) << "Could not write to keychain.";
-}
-
-+ (HostPreferences*)hostForId:(NSString*)hostId {
-  NSMutableDictionary* hosts = [HostPreferences loadHosts];
-  HostPreferences* host = hosts[hostId];
-  if (!host) {
-    host = [[HostPreferences alloc] init];
-    host.hostId = hostId;
-    host.pairId = @"";
-    host.pairSecret = @"";
-  }
-  return host;
-}
-
-#pragma mark - Private
-
-+ (NSMutableDictionary*)loadHosts {
-  NSData* readData = remoting::ios::ReadHostPreferencesFromKeychain();
-  if (readData) {
-    return [NSKeyedUnarchiver unarchiveObjectWithData:readData];
-  } else {
-    return [[NSMutableDictionary alloc] init];
-  }
-}
-
-#pragma mark - NSCoding
-
-- (instancetype)initWithCoder:(NSCoder*)coder {
-  self = [super init];
-  if (self) {
-    [self setHostId:[coder decodeObjectForKey:kHostPreferencesHostIdKey]];
-    [self setPairId:[coder decodeObjectForKey:kHostPreferencesPairIdKey]];
-    [self
-        setPairSecret:[coder decodeObjectForKey:kHostPreferencesPairSecretKey]];
-  }
-  return self;
-}
-
-- (void)encodeWithCoder:(NSCoder*)coder {
-  [coder encodeObject:_hostId forKey:kHostPreferencesHostIdKey];
-  [coder encodeObject:_pairId forKey:kHostPreferencesPairIdKey];
-  [coder encodeObject:_pairSecret forKey:kHostPreferencesPairSecretKey];
-}
-
-@end