[geolocation] Fix bad GarbageCollected parent class

In r695573 a find-and-replace error changed the parent of the
NavigatorGeolocation class from GarbageCollected<NavigatorGeolocation>
to GarbageCollected<Geolocation>. This causes a bad cast during
sweeping.

Bug: 1003140
Change-Id: Ie2398fe2ce3ce501c69b277938bc101c211c5963
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1799698Reviewed-by: Kouhei Ueno <kouhei@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Reilly Grant <reillyg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#695886}

third_party/blink/renderer/modules/geolocation/navigator_geolocation.h

@@ -30,9 +30,10 @@ namespace blink {
 class Geolocation;
 class Navigator;
 
-class NavigatorGeolocation final : public GarbageCollected<Geolocation>,
-                                   public Supplement<Navigator>,
-                                   public NameClient {
+class NavigatorGeolocation final
+    : public GarbageCollected<NavigatorGeolocation>,
+      public Supplement<Navigator>,
+      public NameClient {
   USING_GARBAGE_COLLECTED_MIXIN(NavigatorGeolocation);
 
  public: