Add ime.ExtendSelectionAndDelete Mojo RPC

components/arc/ime/arc_ime_bridge_impl.cc

Index: components/arc/ime/arc_ime_bridge_impl.cc
diff --git a/components/arc/ime/arc_ime_bridge_impl.cc b/components/arc/ime/arc_ime_bridge_impl.cc
index 6b375d9c49776d18d7362f0ed758f568ef8ef255..b575a4a8df12c368442f7f795873046eb2cc7b6c 100644
--- a/components/arc/ime/arc_ime_bridge_impl.cc
+++ b/components/arc/ime/arc_ime_bridge_impl.cc
@@ -15,6 +15,7 @@ namespace arc {
 namespace {
 
 constexpr int kMinVersionForOnKeyboardsBoundsChanging = 3;
+constexpr int kMinVersionForExtendSelectionAndDelete = 4;
 
 ui::TextInputType ConvertTextInputType(arc::mojom::TextInputType ipc_type) {
   // The two enum types are similar, but intentionally made not identical.
@@ -135,6 +136,22 @@ void ArcImeBridgeImpl::SendOnKeyboardBoundsChanging(
   ime_instance->OnKeyboardBoundsChanging(new_bounds);
 }
 
+void ArcImeBridgeImpl::SendExtendSelectionAndDelete(
+    size_t before, size_t after) {
+  mojom::ImeInstance* ime_instance = bridge_service_->ime_instance();
+  if (!ime_instance) {
+    LOG(ERROR) << "ArcImeInstance method called before being ready.";
+    return;
+  }
+  if (bridge_service_->ime_version() <
+      kMinVersionForExtendSelectionAndDelete) {
+    LOG(ERROR) << "ArcImeInstance is too old for ExtendSelectionAndDelete.";
+    return;
+  }
+
+  ime_instance->ExtendSelectionAndDelete(before, after);
+}
+
 void ArcImeBridgeImpl::OnTextInputTypeChanged(arc::mojom::TextInputType type) {
   delegate_->OnTextInputTypeChanged(ConvertTextInputType(type));
 }