Making EventSender talk to the right WebWidget (for OOPIF support).

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_
 
 #include <memory>
 
 #include "third_party/WebKit/public/platform/WebInputEvent.h"
@@ skipping 29 matching lines @@
                                              const gfx::PointF& raw_location,
                                              int flags,
                                              uint32_t unique_touch_event_id);
 
 // Convenience wrapper for |CreateWebGestureEvent| using the supplied |data|.
 blink::WebGestureEvent CreateWebGestureEventFromGestureEventData(
     const GestureEventData& data);
 
 int EventFlagsToWebEventModifiers(int flags);
 
+std::unique_ptr<blink::WebInputEvent> MakeDeepCopyOfWebInputEvent(
+    const blink::WebInputEvent& event);
+
+// Returns a scaled version of |event| if |scale| is different than 1.0.
+// Otherwise returns nullptr.
 std::unique_ptr<blink::WebInputEvent> ScaleWebInputEvent(
     const blink::WebInputEvent& event,
     float scale);
 
+// Scales |event| by |scale| (mutating |event| in-place).
+void ScaleWebInputEvent(float scale, blink::WebInputEvent* event);
+
+// Shifts (i.e. translates) the |event| by (|delta_x|,|delta_y|) vector
+// (mutating |event| in-place).
+void ShiftWebInputEvent(int delta_x, int delta_y, blink::WebInputEvent* event);
+
 blink::WebPointerProperties::PointerType ToWebPointerType(
     MotionEvent::ToolType tool_type);
 
 int WebEventModifiersToEventFlags(int modifiers);
 
 blink::WebInputEvent::Modifiers DomCodeToWebInputEventModifiers(
     ui::DomCode code);
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_BLINK_BLINK_EVENT_UTIL_H_