[InputEvent] Support |deleteByCut|&|insertFromPaste| with |dataTransfer| field

third_party/WebKit/Source/core/editing/EditingUtilities.cpp

Index: third_party/WebKit/Source/core/editing/EditingUtilities.cpp
diff --git a/third_party/WebKit/Source/core/editing/EditingUtilities.cpp b/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
index e6ae084a701f5fe8e2bf77af8ecd364357fc0b4b..89c8fd5ea9dce1af5bf5a9611648c253199e9969 100644
--- a/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
+++ b/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
@@ -1891,6 +1891,16 @@ DispatchEventResult dispatchBeforeInputEditorCommand(EventTarget* target, InputE
     return target->dispatchEvent(beforeInputEvent);
 }
 
+DispatchEventResult dispatchBeforeInputDataTransfer(EventTarget* target, InputEvent::InputType inputType, DataTransfer* dataTransfer, const RangeVector* ranges)
+{
+    if (!RuntimeEnabledFeatures::inputEventEnabled())
+        return DispatchEventResult::NotCanceled;
+    if (!target)
+        return DispatchEventResult::NotCanceled;
+    InputEvent* beforeInputEvent = InputEvent::createBeforeInput(inputType, dataTransfer, InputEvent::EventCancelable::IsCancelable, InputEvent::EventIsComposing::NotComposing, ranges);
+    return target->dispatchEvent(beforeInputEvent);
+}
+
 InputEvent::InputType deletionInputTypeFromTextGranularity(DeleteDirection direction, TextGranularity granularity)
 {
     using InputType = InputEvent::InputType;