chore: Add region tags to nine samples (#211)

Author: oppenheimera

GoogleMaps-Swift/GoogleMapsSwiftDemos/Swift/Samples/BasicMapViewController.swift

@@ -10,7 +10,7 @@
 // the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
 // 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 GoogleMaps
 import UIKit
 
@@ -53,3 +53,4 @@ extension BasicMapViewController: GMSMapViewDelegate {
     statusLabel.alpha = 0.0
   }
 }
+// [END maps_ios_sample_basic_map]

GoogleMaps-Swift/GoogleMapsSwiftDemos/Swift/Samples/GeocoderViewController.swift

@@ -10,7 +10,7 @@
 // the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
 // 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 GoogleMaps
 import UIKit
 
@@ -54,3 +54,4 @@ extension GeocoderViewController: GMSMapViewDelegate {
     }
   }
 }
+// [END maps_ios_sample_reverse_geocode]

GoogleMaps-Swift/GoogleMapsSwiftDemos/Swift/Samples/GestureControlViewController.swift

@@ -10,7 +10,7 @@
 // the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
 // 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 GoogleMaps
 import UIKit
 
@@ -70,3 +70,4 @@ class GestureControlViewController: UIViewController {
   }
 
 }
+// [END maps_ios_sample_map_gestures]

GoogleMaps-Swift/GoogleMapsSwiftDemos/Swift/Samples/MarkerEventsViewController.swift

@@ -10,7 +10,7 @@
 // the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
 // 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 GoogleMaps
 import UIKit
 
@@ -59,3 +59,4 @@ extension MarkerEventsViewController: GMSMapViewDelegate {
     return true
   }
 }
+// [END maps_ios_sample_marker_events]

GoogleMaps-Swift/GoogleMapsSwiftDemos/Swift/Samples/MarkerInfoWindowViewController.swift

@@ -10,7 +10,7 @@
 // the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
 // 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 GoogleMaps
 import UIKit
 
@@ -85,3 +85,4 @@ extension UIViewController {
       })
   }
 }
+// [END maps_ios_sample_marker_info_window]

GoogleMaps-Swift/GoogleMapsSwiftDemos/Swift/Samples/MarkersViewController.swift

@@ -10,7 +10,7 @@
 // the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
 // 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 GoogleMaps
 import UIKit
 
@@ -62,3 +62,4 @@ class MarkersViewController: UIViewController {
     melbourneMarker.map = mapView
   }
 }
+// [END maps_ios_sample_add_marker]

GoogleMaps-Swift/GoogleMapsSwiftDemos/Swift/Samples/MyLocationViewController.swift

@@ -10,7 +10,7 @@
 // the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
 // 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 GoogleMaps
 import UIKit
 
@@ -67,3 +67,4 @@ extension MyLocationViewController: GMSMapViewDelegate {
     present(alert, animated: true)
   }
 }
+// [END maps_ios_sample_my_location_button]

GoogleMaps-Swift/GoogleMapsSwiftDemos/Swift/Samples/PolygonsViewController.swift

@@ -10,7 +10,7 @@
 // the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
 // 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 GoogleMaps
 import UIKit
 
@@ -273,3 +273,4 @@ extension PolygonsViewController: GMSMapViewDelegate {
       hue: CGFloat.random(in: 0..<1), saturation: 1, brightness: 1, alpha: 0.5)
   }
 }
+// [END maps_ios_sample_draw_polygons]

GoogleMaps-Swift/GoogleMapsSwiftDemos/Swift/Samples/PolylinesViewController.swift

@@ -10,7 +10,7 @@
 // the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
 // 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 GoogleMaps
 import UIKit
 
@@ -70,3 +70,4 @@ final class PolylinesViewController: UIViewController {
     }
   }
 }
+// [END maps_ios_sample_draw_polylines]