Reduce the public method footprint of GuestViewBase and derived types.

extensions/browser/api/guest_view/web_view/web_view_internal_api.cc

Index: extensions/browser/api/guest_view/web_view/web_view_internal_api.cc
diff --git a/extensions/browser/api/guest_view/web_view/web_view_internal_api.cc b/extensions/browser/api/guest_view/web_view/web_view_internal_api.cc
index cee2f5ea0b9c61505800981b0fec2a3909eb1101..b6a8ab60762c5d4d4ebf48a80e0c8156a2fd3e92 100644
--- a/extensions/browser/api/guest_view/web_view/web_view_internal_api.cc
+++ b/extensions/browser/api/guest_view/web_view/web_view_internal_api.cc
@@ -642,7 +642,7 @@ bool WebViewInternalFindFunction::RunAsyncSafe(WebViewGuest* guest) {
         params->options->match_case ? *params->options->match_case : false;
   }
 
-  guest->StartFindInternal(search_text, options, this);
+  guest->StartFind(search_text, options, this);
   return true;
 }
 
@@ -673,7 +673,7 @@ bool WebViewInternalStopFindingFunction::RunAsyncSafe(WebViewGuest* guest) {
       action = content::STOP_FIND_ACTION_KEEP_SELECTION;
   }
 
-  guest->StopFindingInternal(action);
+  guest->StopFinding(action);
   return true;
 }