Implement ThreadedInputConnection.deleteSurroundingTextInCodePoints()

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 3ed4a1794a994fdc9aa92333b023463f9440782b..ff1c37f681c9eaa2ccbf9f617a75d51a1dd22ede 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -1533,6 +1533,8 @@ bool RenderFrameImpl::OnMessageReceived(const IPC::Message& msg) {
     IPC_MESSAGE_HANDLER(InputMsg_ExtendSelectionAndDelete,
                         OnExtendSelectionAndDelete)
     IPC_MESSAGE_HANDLER(InputMsg_DeleteSurroundingText, OnDeleteSurroundingText)
+    IPC_MESSAGE_HANDLER(InputMsg_DeleteSurroundingTextInCodePoints,
+                        OnDeleteSurroundingTextInCodePoints)
     IPC_MESSAGE_HANDLER(InputMsg_SetCompositionFromExistingText,
                         OnSetCompositionFromExistingText)
     IPC_MESSAGE_HANDLER(InputMsg_SetEditableSelectionOffsets,
@@ -2108,6 +2110,12 @@ void RenderFrameImpl::OnDeleteSurroundingText(int before, int after) {
   frame_->deleteSurroundingText(before, after);
 }
 
+void RenderFrameImpl::OnDeleteSurroundingTextInCodePoints(int before,
+                                                          int after) {
+  ImeEventGuard guard(GetRenderWidget());
+  frame_->deleteSurroundingTextInCodePoints(before, after);
+}
+
 void RenderFrameImpl::OnSetAccessibilityMode(AccessibilityMode new_mode) {
   if (accessibility_mode_ == new_mode)
     return;