[iOS] Upstream iOS geolocation code

ios/chrome/browser/geolocation/test_location_manager.h

+// 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.
+
+#ifndef IOS_CHROME_BROWSER_GEOLOCATION_TEST_LOCATION_MANAGER_H_
+#define IOS_CHROME_BROWSER_GEOLOCATION_TEST_LOCATION_MANAGER_H_
+
+#import "ios/chrome/browser/geolocation/location_manager.h"
+
+// Implements a fake LocationManager for unit tests and KIF tests.
+@interface TestLocationManager : LocationManager
+
+// Writable version of the LocationManager |authorizationStatus| property. If
+// the new value is different from the previous value, then invokes the
+// LocationManagerDelegate |locationManagerDidChangeAuthorizationStatus:|
+// method.
+@property(nonatomic, assign) CLAuthorizationStatus authorizationStatus;
+
+// Writable version of the LocationManager |currentLocation| property.
+@property(nonatomic, retain) CLLocation* currentLocation;
+
+// Writable version of the LocationManager |locationServicesEnabled| property.
+@property(nonatomic, assign) BOOL locationServicesEnabled;
+
+// Returns YES if and only if LocationManager |startUpdatingLocation| has been
+// invoked at least once since initialization or the last call to |reset|.
+@property(nonatomic, readonly) BOOL started;
+
+// Returns YES if and only if LocationManager |stopUpdatingLocation| has been
+// invoked at least once since initialization or the last call to |reset|.
+@property(nonatomic, readonly) BOOL stopped;
+
+// Resets |authorizationStatus|, |currentLocation|, |locationServicesEnabled|,
+// |started|, and |stopped| to the initialized state. Does not reset
+// |delegate|.
+- (void)reset;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_GEOLOCATION_TEST_LOCATION_MANAGER_H_