Add ime.ExtendSelectionAndDelete Mojo RPC

components/arc/ime/arc_ime_service.cc

Index: components/arc/ime/arc_ime_service.cc
diff --git a/components/arc/ime/arc_ime_service.cc b/components/arc/ime/arc_ime_service.cc
index b8339985d6e51a2826580311256944828c5786de..d17610fe037c7796d1558355383edad5755e409c 100644
--- a/components/arc/ime/arc_ime_service.cc
+++ b/components/arc/ime/arc_ime_service.cc
@@ -289,6 +289,10 @@ base::i18n::TextDirection ArcImeService::GetTextDirection() const {
   return base::i18n::UNKNOWN_DIRECTION;
 }
 
+void ArcImeService::ExtendSelectionAndDelete(size_t before, size_t after) {
+  ime_bridge_->SendExtendSelectionAndDelete(before, after);
+}
+
 int ArcImeService::GetTextInputFlags() const {
   return ui::TEXT_INPUT_FLAG_NONE;
 }