[iOS] Upstream iOS geolocation code

ios/chrome/browser/geolocation/test_location_manager.mm

+// Copyright 2013 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.
+
+#import "ios/chrome/browser/geolocation/test_location_manager.h"
+
+#include "base/mac/scoped_nsobject.h"
+
+@interface TestLocationManager () {
+  CLAuthorizationStatus _authorizationStatus;
+  base::scoped_nsobject<CLLocation> _currentLocation;
+  BOOL _locationServicesEnabled;
+  BOOL _started;
+  BOOL _stopped;
+}
+
+@end
+
+@implementation TestLocationManager
+
+@synthesize authorizationStatus = _authorizationStatus;
+@synthesize locationServicesEnabled = _locationServicesEnabled;
+@synthesize started = _started;
+@synthesize stopped = _stopped;
+
+- (id)init {
+  self = [super init];
+  if (self) {
+    [self reset];
+  }
+  return self;
+}
+
+- (void)setAuthorizationStatus:(CLAuthorizationStatus)authorizationStatus {
+  if (_authorizationStatus != authorizationStatus) {
+    _authorizationStatus = authorizationStatus;
+    [self.delegate locationManagerDidChangeAuthorizationStatus:self];
+  }
+}
+
+- (CLLocation*)currentLocation {
+  return _currentLocation;
+}
+
+- (void)setCurrentLocation:(CLLocation*)currentLocation {
+  _currentLocation.reset([currentLocation retain]);
+}
+
+- (void)reset {
+  _authorizationStatus = kCLAuthorizationStatusNotDetermined;
+  _currentLocation.reset();
+  _locationServicesEnabled = YES;
+  _started = NO;
+  _stopped = NO;
+}
+
+#pragma mark - LocationManager overrides
+
+- (void)startUpdatingLocation {
+  _started = YES;
+}
+
+- (void)stopUpdatingLocation {
+  _stopped = YES;
+}
+
+@end