[InputEvent] Move 'beforeinput' logic into |CompositeEditCommand::willApplyEditing()| (3/3)

third_party/WebKit/Source/core/editing/commands/CompositeEditCommand.h

Index: third_party/WebKit/Source/core/editing/commands/CompositeEditCommand.h
diff --git a/third_party/WebKit/Source/core/editing/commands/CompositeEditCommand.h b/third_party/WebKit/Source/core/editing/commands/CompositeEditCommand.h
index f6c2930ffa5ed34bbca22557c192a8fac3e8c561..179b61c375e8ac8435a5271142421736ce00f766 100644
--- a/third_party/WebKit/Source/core/editing/commands/CompositeEditCommand.h
+++ b/third_party/WebKit/Source/core/editing/commands/CompositeEditCommand.h
@@ -31,6 +31,7 @@
 #include "core/editing/commands/EditCommand.h"
 #include "core/editing/commands/EditingState.h"
 #include "core/editing/commands/UndoStep.h"
+#include "core/events/InputEvent.h"
 #include "wtf/Vector.h"
 
 namespace blink {
@@ -76,8 +77,7 @@ class EditCommandComposition final : public UndoStep {
                          const VisibleSelection& startingSelection,
                          const VisibleSelection& endingSelection);
 
-  // TODO(chongz): Implement "beforeinput" as described below:
-  // Fires "beforeinput" and will returns |false| to cancel unapply / reapply if
+  // Fires "beforeinput" and will return |false| to cancel unapply / reapply if
   //   * "beforeinput" was canceled, or
   //   * |frame| was destroyed by event handlers.
   // Note: Undo stack will always get popped.
@@ -117,12 +117,17 @@ class CORE_EXPORT CompositeEditCommand : public EditCommand {
   virtual void setShouldRetainAutocorrectionIndicator(bool);
   virtual bool shouldStopCaretBlinking() const { return false; }
 
+  virtual InputEvent::InputType inputType() const;
+  // |TypingCommand| will return the text of the last |m_commands|.
+  virtual String textDataForInputEvent() const;
+  virtual DataTransfer* dataTransferForInputEvent() const;
+  virtual RangeVector* targetRangesForInputEvent() const;
+
   DECLARE_VIRTUAL_TRACE();
 
  protected:
   explicit CompositeEditCommand(Document&);
 
-  // TODO(chongz): Implement "beforeinput" as described below:
   // Fires "beforeinput" and will return |false| to cancel applying editing if
   //   * "beforeinput" was canceled, or
   //   * |frame| was destroyed by event handlers.