Collapse the API surface on WebInputEvent via accessor functions.

extensions/browser/guest_view/web_view/web_view_guest.cc

Index: extensions/browser/guest_view/web_view/web_view_guest.cc
diff --git a/extensions/browser/guest_view/web_view/web_view_guest.cc b/extensions/browser/guest_view/web_view/web_view_guest.cc
index 97e34148d84d118fb116692c5be450faeb05e3fe..58c579f960608b8598f834d8cb28e58b875bf994 100644
--- a/extensions/browser/guest_view/web_view/web_view_guest.cc
+++ b/extensions/browser/guest_view/web_view/web_view_guest.cc
@@ -1062,13 +1062,13 @@ bool WebViewGuest::HandleKeyboardShortcuts(
     return false;
   }
 
-  if (event.type != blink::WebInputEvent::RawKeyDown)
+  if (event.type() != blink::WebInputEvent::RawKeyDown)
     return false;
 
   // If the user hits the escape key without any modifiers then unlock the
   // mouse if necessary.
   if ((event.windowsKeyCode == ui::VKEY_ESCAPE) &&
-      !(event.modifiers & blink::WebInputEvent::InputModifiers)) {
+      !(event.modifiers() & blink::WebInputEvent::InputModifiers)) {
     return web_contents()->GotResponseToLockMouseRequest(false);
   }