Collapse the API surface on WebInputEvent via accessor functions.

content/common/input/input_event_stream_validator.cc

Index: content/common/input/input_event_stream_validator.cc
diff --git a/content/common/input/input_event_stream_validator.cc b/content/common/input/input_event_stream_validator.cc
index 8025fb8d5c76c23c40a900f8549882ff87d3f006..0b56e6e1de838f4fc3b076fab47fad109c6ae83a 100644
--- a/content/common/input/input_event_stream_validator.cc
+++ b/content/common/input/input_event_stream_validator.cc
@@ -36,12 +36,12 @@ void InputEventStreamValidator::Validate(const WebInputEvent& event) {
 bool InputEventStreamValidator::ValidateImpl(const blink::WebInputEvent& event,
                                              std::string* error_msg) {
   DCHECK(error_msg);
-  if (WebInputEvent::isGestureEventType(event.type)) {
+  if (WebInputEvent::isGestureEventType(event.type())) {
     const WebGestureEvent& gesture = static_cast<const WebGestureEvent&>(event);
     // TODO(jdduke): Validate touchpad gesture streams.
     if (gesture.sourceDevice == blink::WebGestureDeviceTouchscreen)
       return gesture_validator_.Validate(gesture, error_msg);
-  } else if (WebInputEvent::isTouchEventType(event.type)) {
+  } else if (WebInputEvent::isTouchEventType(event.type())) {
     const WebTouchEvent& touch = static_cast<const WebTouchEvent&>(event);
     return touch_validator_.Validate(touch, error_msg);
   }