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 de1fbd6f8a4416667509ef9ab6230f51d2d5bcf2..d02f9fc02b78c6a8ef95c231bfc09cba41894d60 100644
--- a/extensions/browser/guest_view/web_view/web_view_guest.cc
+++ b/extensions/browser/guest_view/web_view/web_view_guest.cc
@@ -1059,18 +1059,18 @@ 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);
   }
 
 #if defined(OS_MACOSX)
-  if (event.modifiers != blink::WebInputEvent::MetaKey)
+  if (event.modifiers() != blink::WebInputEvent::MetaKey)
     return false;
 
   if (event.windowsKeyCode == ui::VKEY_OEM_4) {