chore: Add region tags for nine objective-c samples (#212)

Author: oppenheimera

GoogleMaps/GoogleMapsDemos/Samples/BasicMapViewController.m

@@ -12,7 +12,7 @@
  * ANY KIND, either express or implied. See the License for the specific language governing
  * permissions and limitations under the License.
  */
-
+// [START maps_ios_sample_basic_map]
 #import "GoogleMapsDemos/Samples/BasicMapViewController.h"
 
 #import <GoogleMaps/GoogleMaps.h>
@@ -52,3 +52,4 @@ - (void)mapViewDidFinishTileRendering:(GMSMapView *)mapView {
 }
 
 @end
+// [END maps_ios_sample_basic_map]

GoogleMaps/GoogleMapsDemos/Samples/GeocoderViewController.m

@@ -12,7 +12,7 @@
  * ANY KIND, either express or implied. See the License for the specific language governing
  * permissions and limitations under the License.
  */
-
+// [START maps_ios_sample_reverse_geocode]
 #import "GoogleMapsDemos/Samples/GeocoderViewController.h"
 
 #import <GoogleMaps/GoogleMaps.h>
@@ -69,3 +69,4 @@ - (void)handleResponse:(nullable GMSReverseGeocodeResponse *)response
 }
 
 @end
+// [END maps_ios_sample_reverse_geocode]

GoogleMaps/GoogleMapsDemos/Samples/GestureControlViewController.m

@@ -12,7 +12,7 @@
  * ANY KIND, either express or implied. See the License for the specific language governing
  * permissions and limitations under the License.
  */
-
+// [START maps_ios_sample_map_gestures]
 #import "GoogleMapsDemos/Samples/GestureControlViewController.h"
 
 #import <GoogleMaps/GoogleMaps.h>
@@ -68,3 +68,4 @@ - (void)didChangeZoomSwitch {
 }
 
 @end
+// [END maps_ios_sample_map_gestures]

GoogleMaps/GoogleMapsDemos/Samples/MarkerEventsViewController.m

@@ -12,7 +12,7 @@
  * ANY KIND, either express or implied. See the License for the specific language governing
  * permissions and limitations under the License.
  */
-
+// [START maps_ios_sample_marker_events]
 #import "GoogleMapsDemos/Samples/MarkerEventsViewController.h"
 
 #import <QuartzCore/QuartzCore.h>
@@ -96,3 +96,4 @@ - (void)viewWillTransitionToSize:(CGSize)size
 }
 
 @end
+// [END maps_ios_sample_marker_events]

GoogleMaps/GoogleMapsDemos/Samples/MarkerInfoWindowViewController.m

@@ -12,7 +12,7 @@
  * ANY KIND, either express or implied. See the License for the specific language governing
  * permissions and limitations under the License.
  */
-
+// [START maps_ios_sample_marker_info_window]
 #import "GoogleMapsDemos/Samples/MarkerInfoWindowViewController.h"
 
 #import "GoogleMapsDemos/UIViewController+GMSToastMessages.h"
@@ -94,3 +94,4 @@ - (void)mapView:(GMSMapView *)mapView didLongPressInfoWindowOfMarker:(GMSMarker
 }
 
 @end
+// [END maps_ios_sample_marker_info_window]

GoogleMaps/GoogleMapsDemos/Samples/MarkersViewController.m

@@ -12,7 +12,7 @@
  * ANY KIND, either express or implied. See the License for the specific language governing
  * permissions and limitations under the License.
  */
-
+// [START maps_ios_sample_add_marker]
 #import "GoogleMapsDemos/Samples/MarkersViewController.h"
 
 #import <GoogleMaps/GoogleMaps.h>
@@ -86,3 +86,4 @@ - (void)didTapAdd {
 }
 
 @end
+// [END maps_ios_sample_add_marker]

GoogleMaps/GoogleMapsDemos/Samples/MyLocationViewController.m

@@ -12,7 +12,7 @@
  * ANY KIND, either express or implied. See the License for the specific language governing
  * permissions and limitations under the License.
  */
-
+// [START maps_ios_sample_my_location_button]
 #import "GoogleMapsDemos/Samples/MyLocationViewController.h"
 
 #import <GoogleMaps/GoogleMaps.h>
@@ -82,3 +82,4 @@ - (void)observeValueForKeyPath:(NSString *)keyPath
 }
 
 @end
+// [END maps_ios_sample_my_location_button]

GoogleMaps/GoogleMapsDemos/Samples/PolygonsViewController.m

@@ -12,7 +12,7 @@
  * ANY KIND, either express or implied. See the License for the specific language governing
  * permissions and limitations under the License.
  */
-
+// [START maps_ios_sample_draw_polygons]
 #import "GoogleMapsDemos/Samples/PolygonsViewController.h"
 
 #import <GoogleMaps/GoogleMaps.h>
@@ -279,3 +279,4 @@ - (GMSPath *)pathOfNorthCarolina {
 }
 
 @end
+// [END maps_ios_sample_draw_polygons]

GoogleMaps/GoogleMapsDemos/Samples/PolylinesViewController.m

@@ -12,7 +12,7 @@
  * ANY KIND, either express or implied. See the License for the specific language governing
  * permissions and limitations under the License.
  */
-
+// [START maps_ios_sample_draw_polylines]
 #import "GoogleMapsDemos/Samples/PolylinesViewController.h"
 
 #import <GoogleMaps/GoogleMaps.h>
@@ -96,3 +96,4 @@ - (void)viewDidLoad {
 }
 
 @end
+// [END maps_ios_sample_draw_polylines]