[refactor] Cleanup IME State in RenderWidgetHostViewMac which is already tracked by TextInputManager

content/public/test/text_input_test_utils.cc

Index: content/public/test/text_input_test_utils.cc
diff --git a/content/public/test/text_input_test_utils.cc b/content/public/test/text_input_test_utils.cc
index 5405d908bcd7fcd11b05bb5b709eeb518e85b46b..0857ce4908bdf668bd40879f6ab737388607f015 100644
--- a/content/public/test/text_input_test_utils.cc
+++ b/content/public/test/text_input_test_utils.cc
@@ -352,7 +352,7 @@ bool TextInputManagerTester::GetCurrentTextSelectionLength(size_t* length) {
   if (!observer_->text_input_manager()->GetActiveWidget())
     return false;
 
-  *length = observer_->text_input_manager()->GetTextSelection()->text.size();
+  *length = observer_->text_input_manager()->GetTextSelection()->text().size();
   return true;
 }