[InputEvent] Support |deleteByDrag|, |insertFromDrop| and fire in sequential order

third_party/WebKit/Source/core/events/InputEvent.h

Index: third_party/WebKit/Source/core/events/InputEvent.h
diff --git a/third_party/WebKit/Source/core/events/InputEvent.h b/third_party/WebKit/Source/core/events/InputEvent.h
index 919545c2048ec2d8e619eb24873d5278bd90083a..418343375da8cacdd00af0e6c4260d3bb3ad7a59 100644
--- a/third_party/WebKit/Source/core/events/InputEvent.h
+++ b/third_party/WebKit/Source/core/events/InputEvent.h
@@ -32,6 +32,7 @@ public:
         InsertUnorderedList,
         InsertHorizontalRule,
         InsertFromPaste,
+        InsertFromDrop,
         // Deletion.
         DeleteComposedCharacterForward,
         DeleteComposedCharacterBackward,
@@ -42,6 +43,7 @@ public:
         DeleteContentBackward,
         DeleteContentForward,
         DeleteByCut,
+        DeleteByDrag,
         // Command.
         Undo,
         Redo,
@@ -60,8 +62,6 @@ public:
         Outdent,
         RemoveFormat,
         // Not on spec.
-        // TODO(chongz): Drag is not on SPEC but it's not decided how we should handle it.
-        Drag,
         JustifyFull,
         SetColor,
         SetBackgroundColor,