Revert of Allow selection change update before beginBatchEdit

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index 5abb25d2968fc36f716a60f4cff1212d6e3272dc..4cd7315e2ade000bba6091586185d14bd33d3b50 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -221,7 +221,6 @@ RenderWidget::RenderWidget(CompositorDependencies* compositor_deps,
       is_fullscreen_granted_(false),
       display_mode_(blink::WebDisplayModeUndefined),
       ime_event_guard_(nullptr),
-      ime_in_batch_edit_(false),
       closing_(false),
       host_closing_(false),
       is_swapped_out_(swapped_out),
@@ -519,8 +518,6 @@ bool RenderWidget::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(InputMsg_ImeEventAck, OnImeEventAck)
     IPC_MESSAGE_HANDLER(InputMsg_RequestTextInputStateUpdate,
                         OnRequestTextInputStateUpdate)
-    IPC_MESSAGE_HANDLER(InputMsg_ImeBatchEdit,
-                        OnImeBatchEdit)
 #endif
     IPC_MESSAGE_HANDLER(ViewMsg_HandleCompositorProto, OnHandleCompositorProto)
     IPC_MESSAGE_UNHANDLED(handled = false)
@@ -952,7 +949,6 @@ void RenderWidget::UpdateTextInputState(ShowIme show_ime,
 #if defined(OS_ANDROID)
     params.is_non_ime_change =
         (change_source == ChangeSource::FROM_NON_IME) || text_field_is_dirty_;
-    params.batch_edit = ime_in_batch_edit_;
     if (params.is_non_ime_change)
       OnImeEventSentForAck(new_info);
     text_field_is_dirty_ = false;
@@ -1609,19 +1605,6 @@ void RenderWidget::OnRequestTextInputStateUpdate() {
   UpdateSelectionBounds();
   UpdateTextInputState(ShowIme::HIDE_IME, ChangeSource::FROM_IME);
 }
-
-void RenderWidget::OnImeBatchEdit(bool begin) {
-  if (begin) {
-    ime_in_batch_edit_ = true;
-    return;
-  }
-  if (!ime_in_batch_edit_)
-    return;
-  ime_in_batch_edit_ = false;
-  DCHECK(!ime_event_guard_);
-  UpdateSelectionBounds();
-  UpdateTextInputState(ShowIme::HIDE_IME, ChangeSource::FROM_IME);
-}
 #endif
 
 void RenderWidget::OnRequestCompositionUpdate(bool immediate_request,