Add movement information to PPB_MouseInputEvent.

webkit/plugins/ppapi/event_conversion.cc

Index: webkit/plugins/ppapi/event_conversion.cc
diff --git a/webkit/plugins/ppapi/event_conversion.cc b/webkit/plugins/ppapi/event_conversion.cc
index eb051da573d3903cb8a49d3f455784d514a4e34b..1c4ac3ac591895c65ff60042d373bc16994a5b9d 100644
--- a/webkit/plugins/ppapi/event_conversion.cc
+++ b/webkit/plugins/ppapi/event_conversion.cc
@@ -135,6 +135,10 @@ void AppendMouseEvent(const WebInputEvent& event,
   result.mouse_position.x = mouse_event.x;
   result.mouse_position.y = mouse_event.y;
   result.mouse_click_count = mouse_event.clickCount;
+
+  // TODO(yzshen): Make the change after WebMouseEvent adds movementX/Y.
+  result.mouse_movement.x = 0; // mouse_event.movementX
+  result.mouse_movement.y = 0; // mouse_event.movementY
   result_events->push_back(result);
 }
 
@@ -225,6 +229,11 @@ WebMouseEvent* BuildMouseEvent(const InputEventData& event) {
   mouse_event->x = event.mouse_position.x;
   mouse_event->y = event.mouse_position.y;
   mouse_event->clickCount = event.mouse_click_count;
+
+  // TODO(yzshen): Uncomment the following lines after WebMouseEvent adds
+  // movementX/Y.
+  // mouse_event->movementX = event.mouse_position.x;
+  // mouse_event->movementY = event.mouse_position.y;
   return mouse_event;
 }