Collapse the API surface on WebInputEvent via accessor functions.

chrome/browser/ui/app_list/start_page_service.cc

Index: chrome/browser/ui/app_list/start_page_service.cc
diff --git a/chrome/browser/ui/app_list/start_page_service.cc b/chrome/browser/ui/app_list/start_page_service.cc
index c0318f41b3531ec9b645d7201de738139dc5a9b1..f61f7926c0c3c244c8ad054349e449965b1a8bd5 100644
--- a/chrome/browser/ui/app_list/start_page_service.cc
+++ b/chrome/browser/ui/app_list/start_page_service.cc
@@ -213,9 +213,9 @@ class StartPageService::StartPageWebContentsDelegate
   bool PreHandleGestureEvent(content::WebContents* /*source*/,
                              const blink::WebGestureEvent& event) override {
     // Disable pinch zooming on the start page web contents.
-    return event.type == blink::WebGestureEvent::GesturePinchBegin ||
-           event.type == blink::WebGestureEvent::GesturePinchUpdate ||
-           event.type == blink::WebGestureEvent::GesturePinchEnd;
+    return event.type() == blink::WebGestureEvent::GesturePinchBegin ||
+           event.type() == blink::WebGestureEvent::GesturePinchUpdate ||
+           event.type() == blink::WebGestureEvent::GesturePinchEnd;
   }