Revert of [Editing] Introduce |EditCommandComposition::willUn/Reapply()| in prepare for (2/3)

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

Index: third_party/WebKit/Source/core/editing/commands/CompositeEditCommand.cpp
diff --git a/third_party/WebKit/Source/core/editing/commands/CompositeEditCommand.cpp b/third_party/WebKit/Source/core/editing/commands/CompositeEditCommand.cpp
index ee81dce271d7319aab59e5652f6a218db8f031a0..8e9f33a1e1d1e1348aee20a445f9137a3502cd4a 100644
--- a/third_party/WebKit/Source/core/editing/commands/CompositeEditCommand.cpp
+++ b/third_party/WebKit/Source/core/editing/commands/CompositeEditCommand.cpp
@@ -105,13 +105,10 @@
   return m_document->frame() == &frame;
 }
 
-void EditCommandComposition::unapply(EditCommandSource source) {
+void EditCommandComposition::unapply() {
   DCHECK(m_document);
   LocalFrame* frame = m_document->frame();
   DCHECK(frame);
-
-  if (!willUnapply(source))
-    return;
 
   // Changes to the document may have been made since the last editing operation
   // that require a layout, as in <rdar://problem/5658603>. Low level
@@ -129,13 +126,10 @@
   frame->editor().unappliedEditing(this);
 }
 
-void EditCommandComposition::reapply(EditCommandSource source) {
+void EditCommandComposition::reapply() {
   DCHECK(m_document);
   LocalFrame* frame = m_document->frame();
   DCHECK(frame);
-
-  if (!willReapply(source))
-    return;
 
   // Changes to the document may have been made since the last editing operation
   // that require a layout, as in <rdar://problem/5658603>. Low level
@@ -150,16 +144,6 @@
   }
 
   frame->editor().reappliedEditing(this);
-}
-
-bool EditCommandComposition::willUnapply(EditCommandSource) {
-  // TODO(chongz): Fire 'beforeinput' for 'historyUndo'.
-  return true;
-}
-
-bool EditCommandComposition::willReapply(EditCommandSource) {
-  // TODO(chongz): Fire 'beforeinput' for 'historyRedo'.
-  return true;
 }
 
 InputEvent::InputType EditCommandComposition::inputType() const {