Collapse the API surface on WebInputEvent via accessor functions.

third_party/WebKit/public/platform/WebGestureEvent.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WebGestureEvent_h
 #define WebGestureEvent_h
 
 #include "WebFloatSize.h"
 #include "WebGestureDevice.h"
 #include "WebInputEvent.h"
@@ skipping 176 matching lines @@
       WebFloatPoint rootFrameCoords);
 
   // Sets any scaled values to be their computed values and sets |frameScale|
   // back to 1 and |translateX|, |translateY| back to 0.
   BLINK_PLATFORM_EXPORT void flattenTransform();
 
   bool preventPropagation() const {
     // TODO(tdresser) Once we've decided if we're getting rid of scroll
     // chaining, we should remove all scroll chaining related logic. See
     // crbug.com/526462 for details.
-    DCHECK(type == WebInputEvent::GestureScrollUpdate);
+    DCHECK(m_type == WebInputEvent::GestureScrollUpdate);
     return true;
   }
 
   bool isScrollEvent() const {
-    switch (type) {
+    switch (m_type) {
       case GestureScrollBegin:
       case GestureScrollEnd:
       case GestureScrollUpdate:
       case GestureFlingStart:
       case GesturePinchBegin:
       case GesturePinchEnd:
       case GesturePinchUpdate:
         return true;
       case GestureTap:
       case GestureTapUnconfirmed:
@@ skipping 11 matching lines @@
   }
 
 #endif
 };
 
 #pragma pack(pop)
 
 }  // namespace blink
 
 #endif  // WebGestureEvent_h