Remove PlatformWheelEvent and use WebMouseWheelEvent instead

third_party/WebKit/public/platform/WebInputEvent.h

Index: third_party/WebKit/public/platform/WebInputEvent.h
diff --git a/third_party/WebKit/public/platform/WebInputEvent.h b/third_party/WebKit/public/platform/WebInputEvent.h
index c3341c692fe83433c080dd92b413ac64fe8ea235..82b34ff314f3694897cd508bcb25fce5e813ae61 100644
--- a/third_party/WebKit/public/platform/WebInputEvent.h
+++ b/third_party/WebKit/public/platform/WebInputEvent.h
@@ -429,6 +429,11 @@ class WebMouseEvent : public WebInputEvent, public WebPointerProperties {
   WebMouseEvent()
       : WebInputEvent(sizeof(WebMouseEvent)), WebPointerProperties() {}
 
+#if INSIDE_BLINK
+  BLINK_PLATFORM_EXPORT WebFloatPoint movementInRootFrame() const;
+  BLINK_PLATFORM_EXPORT WebFloatPoint positionInRootFrame() const;
+#endif
+
  protected:
   explicit WebMouseEvent(unsigned sizeParam)
       : WebInputEvent(sizeParam), WebPointerProperties() {}
@@ -439,6 +444,7 @@ class WebMouseEvent : public WebInputEvent, public WebPointerProperties {
                 double timeStampSeconds)
       : WebInputEvent(sizeParam, type, modifiers, timeStampSeconds),
         WebPointerProperties() {}
+  void flattenTransformSelf();
 };
 
 // WebTouchEvent --------------------------------------------------------------