Support parsing BackgroundSpans and UnderlineSpans in Android IME's commitText()

components/test_runner/text_input_controller.cc

Index: components/test_runner/text_input_controller.cc
diff --git a/components/test_runner/text_input_controller.cc b/components/test_runner/text_input_controller.cc
index 5a94e7845ebb44d993efaf1221bb448efae3e672..05de1c83a2300f44f67dde98ab9cfe81b2cf260c 100644
--- a/components/test_runner/text_input_controller.cc
+++ b/components/test_runner/text_input_controller.cc
@@ -171,7 +171,8 @@ void TextInputController::Install(blink::WebLocalFrame* frame) {
 
 void TextInputController::InsertText(const std::string& text) {
   if (auto* controller = GetInputMethodController()) {
-    controller->commitText(blink::WebString::fromUTF8(text), 0);
+    controller->commitText(blink::WebString::fromUTF8(text),
+                           std::vector<blink::WebCompositionUnderline>(), 0);
   }
 }