Type->String helper function added to WebInputEvent.

third_party/WebKit/public/platform/WebInputEvent.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 241 matching lines @@
             return isMouseEventType(other.type);
         if (isGestureEventType(type))
             return isGestureEventType(other.type);
         if (isTouchEventType(type))
             return isTouchEventType(other.type);
         if (isKeyboardEventType(type))
             return isKeyboardEventType(other.type);
         return type == other.type;
     }
 
+#define CASE_TYPE(t) case WebInputEvent::t:  return #t
+    static const char* GetName(WebInputEvent::Type type)

[dtapuska, 2016/08/16 21:02:40]

Can you move this implementation into the cpp file? That way we won't get
multiple copies in the different compilation units.

[sahel, 2016/08/17 22:08:16]

Done.

+    {
+        switch (type) {
+            CASE_TYPE(Undefined);
+            CASE_TYPE(MouseDown);
+            CASE_TYPE(MouseUp);
+            CASE_TYPE(MouseMove);
+            CASE_TYPE(MouseEnter);
+            CASE_TYPE(MouseLeave);
+            CASE_TYPE(ContextMenu);
+            CASE_TYPE(MouseWheel);
+            CASE_TYPE(RawKeyDown);
+            CASE_TYPE(KeyDown);
+            CASE_TYPE(KeyUp);
+            CASE_TYPE(Char);
+            CASE_TYPE(GestureScrollBegin);
+            CASE_TYPE(GestureScrollEnd);
+            CASE_TYPE(GestureScrollUpdate);
+            CASE_TYPE(GestureFlingStart);
+            CASE_TYPE(GestureFlingCancel);
+            CASE_TYPE(GestureShowPress);
+            CASE_TYPE(GestureTap);
+            CASE_TYPE(GestureTapUnconfirmed);
+            CASE_TYPE(GestureTapDown);
+            CASE_TYPE(GestureTapCancel);
+            CASE_TYPE(GestureDoubleTap);
+            CASE_TYPE(GestureTwoFingerTap);
+            CASE_TYPE(GestureLongPress);
+            CASE_TYPE(GestureLongTap);
+            CASE_TYPE(GesturePinchBegin);
+            CASE_TYPE(GesturePinchEnd);
+            CASE_TYPE(GesturePinchUpdate);
+            CASE_TYPE(TouchStart);
+            CASE_TYPE(TouchMove);
+            CASE_TYPE(TouchEnd);
+            CASE_TYPE(TouchCancel);
+            CASE_TYPE(TouchScrollStarted);
+        default:
+            NOTREACHED();
+            return "";
+        }
+    }
+#undef CASE_TYPE
+
 protected:
     explicit WebInputEvent(unsigned sizeParam)
     {
         memset(this, 0, sizeParam);
         timeStampSeconds = 0.0;
         size = sizeParam;
         type = Undefined;
         modifiers = 0;
     }
 };
@@ skipping 365 matching lines @@
         , uniqueTouchEventId(0)
     {
     }
 };
 
 #pragma pack(pop)
 
 } // namespace blink
 
 #endif