Give WebTouchEvent and WebKeyboardEvent their own headers

third_party/WebKit/public/platform/WebTouchEvent.h

+// Copyright 2017 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 WebTouchEvent_h
+#define WebTouchEvent_h
+
+#include "WebInputEvent.h"
+
+namespace blink {
+
+// See WebInputEvent.h for details why this pack is here.
+#pragma pack(push, 4)
+
+// WebTouchEvent --------------------------------------------------------------
+
+// TODO(e_hakkinen): Replace with WebPointerEvent. crbug.com/508283
+class WebTouchEvent : public WebInputEvent {
+ public:
+  // Maximum number of simultaneous touches supported on
+  // Ash/Aura.
+  enum { kTouchesLengthCap = 16 };
+
+  unsigned touchesLength;
+  // List of all touches, regardless of state.
+  WebTouchPoint touches[kTouchesLengthCap];
+
+  // Whether the event is blocking, non-blocking, all event
+  // listeners were passive or was forced to be non-blocking.
+  DispatchType dispatchType;
+
+  // For a single touch, this is true after the touch-point has moved beyond
+  // the platform slop region. For a multitouch, this is true after any
+  // touch-point has moved (by whatever amount).
+  bool movedBeyondSlopRegion;
+
+  // Whether this touch event is a touchstart or a first touchmove event per
+  // scroll.
+  bool touchStartOrFirstTouchMove;
+
+  // A unique identifier for the touch event. Valid ids start at one and
+  // increase monotonically. Zero means an unknown id.
+  uint32_t uniqueTouchEventId;
+
+  WebTouchEvent()
+      : WebInputEvent(sizeof(WebTouchEvent)), dispatchType(Blocking) {}
+
+  WebTouchEvent(Type type, int modifiers, double timeStampSeconds)
+      : WebInputEvent(sizeof(WebTouchEvent), type, modifiers, timeStampSeconds),
+        dispatchType(Blocking) {}
+};
+
+#pragma pack(pop)
+
+}  // namespace blink
+
+#endif  // WebTouchEvent_h