[InputEvent] Support 'insertFromYank' for macOS

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

Index: third_party/WebKit/Source/core/editing/commands/TypingCommand.cpp
diff --git a/third_party/WebKit/Source/core/editing/commands/TypingCommand.cpp b/third_party/WebKit/Source/core/editing/commands/TypingCommand.cpp
index ef00372c38e625714f559c15b72f23d87e4f5224..febcc9f3ec6000eec7b049c5c4f93251278e20b2 100644
--- a/third_party/WebKit/Source/core/editing/commands/TypingCommand.cpp
+++ b/third_party/WebKit/Source/core/editing/commands/TypingCommand.cpp
@@ -313,7 +313,8 @@ void TypingCommand::insertText(
     const SelectionInDOMTree& passedSelectionForInsertion,
     Options options,
     TextCompositionType compositionType,
-    const bool isIncrementalInsertion) {
+    const bool isIncrementalInsertion,
+    InputEvent::InputType inputType) {
   LocalFrame* frame = document.frame();
   DCHECK(frame);
 
@@ -363,6 +364,7 @@ void TypingCommand::insertText(
                                                      PreventSpellChecking);
     lastTypingCommand->m_isIncrementalInsertion = isIncrementalInsertion;
     lastTypingCommand->m_selectionStart = selectionStart;
+    lastTypingCommand->m_inputType = inputType;
 
     EditingState editingState;
     EventQueueScope eventQueueScope;
@@ -380,6 +382,7 @@ void TypingCommand::insertText(
   }
   command->m_isIncrementalInsertion = isIncrementalInsertion;
   command->m_selectionStart = selectionStart;
+  command->m_inputType = inputType;
   command->apply();
 
   if (changeSelection) {
@@ -490,6 +493,9 @@ InputEvent::InputType TypingCommand::inputType() const {
   if (m_compositionType != TextCompositionNone)
     return InputType::InsertCompositionText;
 
+  if (m_inputType != InputType::None)
+    return m_inputType;
+
   switch (m_commandType) {
     // TODO(chongz): |DeleteSelection| is used by IME but we don't have
     // direction info.