Refactors gesture conversion functions to ui/events/blink

ui/events/blink/blink_event_util.h

+// Copyright 2015 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 UI_EVENTS_BLINK_BLINK_EVENT_UTIL_H_
+#define UI_EVENTS_BLINK_BLINK_EVENT_UTIL_H_
+
+namespace base {
+class TimeDelta;
+}
+
+namespace blink {
+class WebGestureEvent;
+class WebTouchEvent;
+}
+
+namespace gfx {
+class PointF;
+}
+
+namespace ui {
+struct GestureEventData;
+struct GestureEventDetails;
+class MotionEvent;
+
+blink::WebTouchEvent CreateWebTouchEventFromMotionEvent(
+    const MotionEvent& event,
+    bool may_cause_scrolling);
+
+blink::WebGestureEvent CreateWebGestureEvent(const GestureEventDetails& details,
+                                             base::TimeDelta timestamp,
+                                             const gfx::PointF& location,
+                                             const gfx::PointF& raw_location,
+                                             int flags);
+
+// Convenience wrapper for |CreateWebGestureEvent| using the supplied |data|.
+blink::WebGestureEvent CreateWebGestureEventFromGestureEventData(
+    const GestureEventData& data);
+
+int EventFlagsToWebEventModifiers(int flags);
+
+}  // namespace content
+
+#endif  // UI_EVENTS_BLINK_BLINK_EVENT_UTIL_H_