Collapse the API surface on WebInputEvent via accessor functions.

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index cf28e72665362c4af02ea3c362b7e57b62f166a9..3a1a11e203039e28b49277e21e54c1263fad6d7c 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -902,7 +902,7 @@ void RenderViewHostImpl::OnFocus() {
 
 void RenderViewHostImpl::RenderWidgetDidForwardMouseEvent(
     const blink::WebMouseEvent& mouse_event) {
-  if (mouse_event.type == WebInputEvent::MouseWheel &&
+  if (mouse_event.type() == WebInputEvent::MouseWheel &&
       GetWidget()->ignore_input_events()) {
     delegate_->OnIgnoredUIEvent();
   }
@@ -911,7 +911,7 @@ void RenderViewHostImpl::RenderWidgetDidForwardMouseEvent(
 bool RenderViewHostImpl::MayRenderWidgetForwardKeyboardEvent(
     const NativeWebKeyboardEvent& key_event) {
   if (GetWidget()->ignore_input_events()) {
-    if (key_event.type == WebInputEvent::RawKeyDown)
+    if (key_event.type() == WebInputEvent::RawKeyDown)
       delegate_->OnIgnoredUIEvent();
     return false;
   }