[ObjC ARC] Converts ios/chrome/browser/geolocation:unit_tests to ARC.Automatically generated ARCM…

ios/chrome/browser/geolocation/location_manager_unittest.mm

 // Copyright 2014 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/location_manager.h"
 
 #include "base/mac/scoped_nsobject.h"
 #import "ios/chrome/browser/geolocation/CLLocation+OmniboxGeolocation.h"
 #import "ios/chrome/browser/geolocation/location_manager+Testing.h"
 #import "ios/public/provider/chrome/browser/geolocation_updater_provider.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/gtest_mac.h"
 #include "testing/platform_test.h"
 #import "third_party/ocmock/OCMock/OCMock.h"
 #import "third_party/ocmock/gtest_support.h"
 
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
 namespace {
 
 class LocationManagerTest : public PlatformTest {
  public:
   LocationManagerTest() {}
 
  protected:
   void SetUp() override {
     PlatformTest::SetUp();
 
     mock_geolocation_updater_.reset(
-        [[OCMockObject mockForProtocol:@protocol(GeolocationUpdater)] retain]);
+        [OCMockObject mockForProtocol:@protocol(GeolocationUpdater)]);
 
     // Set up LocationManager with a mock GeolocationUpdater.
     location_manager_.reset([[LocationManager alloc] init]);
     [location_manager_ setGeolocationUpdater:mock_geolocation_updater_.get()];
   }
 
   void TearDown() override {
     [location_manager_ setGeolocationUpdater:nil];
 
     PlatformTest::TearDown();
@@ skipping 20 matching lines @@
   EXPECT_OCMOCK_VERIFY(mock_geolocation_updater_.get());
 }
 
 // Verifies that -[LocationManager startUpdatingLocation] calls
 // -[GeolocationUpdater setEnabled:] when GeolocationUpdater
 // |currentLocation| is stale.
 TEST_F(LocationManagerTest, StartUpdatingLocationStaleCurrentLocation) {
   // Set up to return a stale mock CLLocation from -[GeolocationUpdater
   // currentLocation].
   base::scoped_nsobject<id> mock_location(
-      [[OCMockObject mockForClass:[CLLocation class]] retain]);
+      [OCMockObject mockForClass:[CLLocation class]]);
   BOOL yes = YES;
   [[[mock_location expect] andReturnValue:OCMOCK_VALUE(yes)] cr_shouldRefresh];
 
   [[[mock_geolocation_updater_ expect]
       andReturn:mock_location.get()] currentLocation];
 
   // Also expect the call to -[GeolocationUpdater isEnabled];
   BOOL no = NO;
   [[[mock_geolocation_updater_ expect]
       andReturnValue:OCMOCK_VALUE(no)] isEnabled];
   [[mock_geolocation_updater_ expect] requestWhenInUseAuthorization];
   [[mock_geolocation_updater_ expect] setEnabled:YES];
 
   [location_manager_ startUpdatingLocation];
   EXPECT_OCMOCK_VERIFY(mock_geolocation_updater_.get());
   EXPECT_OCMOCK_VERIFY(mock_location.get());
 }
 
 // Verifies that -[LocationManager startUpdatingLocation] does not call
 // -[GeolocationUpdater setEnabled:] when GeolocationUpdater's
 // |currentLocation| is fresh.
 TEST_F(LocationManagerTest, StartUpdatingLocationFreshCurrentLocation) {
   // Set up to return a fresh mock CLLocation from -[GeolocationUpdater
   // currentLocation].
   base::scoped_nsobject<id> mock_location(
-      [[OCMockObject mockForClass:[CLLocation class]] retain]);
+      [OCMockObject mockForClass:[CLLocation class]]);
   BOOL no = NO;
   [[[mock_location expect] andReturnValue:OCMOCK_VALUE(no)] cr_shouldRefresh];
 
   [[[mock_geolocation_updater_ expect]
       andReturn:mock_location.get()] currentLocation];
 
   [location_manager_ startUpdatingLocation];
   EXPECT_OCMOCK_VERIFY(mock_geolocation_updater_.get());
   EXPECT_OCMOCK_VERIFY(mock_location.get());
 }
 
 }  // namespace