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

third_party/WebKit/Source/core/editing/Editor.h

Index: third_party/WebKit/Source/core/editing/Editor.h
diff --git a/third_party/WebKit/Source/core/editing/Editor.h b/third_party/WebKit/Source/core/editing/Editor.h
index 9cae6e9bd54aea620e3c1c893c92f6c77d417c27..47240a2d12ee901e3c80a5ea28d14ce1e0ac0b9f 100644
--- a/third_party/WebKit/Source/core/editing/Editor.h
+++ b/third_party/WebKit/Source/core/editing/Editor.h
@@ -109,7 +109,7 @@ public:
     void clearLastEditCommand();
 
     bool deleteWithDirection(DeleteDirection, TextGranularity, bool killRing, bool isTypingAction);
-    void deleteSelectionWithSmartDelete(bool smartDelete, InputEvent::InputType);
+    void deleteSelectionWithSmartDelete(bool smartDelete, InputEvent::InputType, const Position& referenceMovePosition = Position());
 
     void applyStyle(StylePropertySet*, InputEvent::InputType);
     void applyParagraphStyle(StylePropertySet*, InputEvent::InputType);
@@ -205,6 +205,7 @@ public:
     void pasteAsPlainText(const String&, bool smartReplace);
 
     Element* findEventTargetFrom(const VisibleSelection&) const;
+    Element* findEventTargetFromSelection() const;
 
     bool findString(const String&, FindOptions);
 
@@ -289,8 +290,6 @@ private:
     void changeSelectionAfterCommand(const VisibleSelection& newSelection, FrameSelection::SetSelectionOptions);
     void notifyComponentsOnChangedSelection();
 
-    Element* findEventTargetFromSelection() const;
-
     SpellChecker& spellChecker() const;
 
     bool handleEditingKeyboardEvent(KeyboardEvent*);