[Win] Redesign the avatar bubble UI

ui/views/controls/textfield/textfield.cc

Index: ui/views/controls/textfield/textfield.cc
diff --git a/ui/views/controls/textfield/textfield.cc b/ui/views/controls/textfield/textfield.cc
index c46ddd24b6d8b7bc5236e7e5fd83758772cb13ed..cac2e8bd8ec1433bf6c4a59f851c0256afcca216 100644
--- a/ui/views/controls/textfield/textfield.cc
+++ b/ui/views/controls/textfield/textfield.cc
@@ -396,6 +396,14 @@ base::string16 Textfield::GetPlaceholderText() const {
   return placeholder_text_;
 }
 
+gfx::HorizontalAlignment Textfield::GetHorizontalAlignment() const {
+  return GetRenderText()->horizontal_alignment();
+}
+
+void Textfield::SetHorizontalAlignment(gfx::HorizontalAlignment alignment) {
+  GetRenderText()->SetHorizontalAlignment(alignment);
+}
+
 void Textfield::ShowImeIfNeeded() {
   if (enabled() && !read_only())
     GetInputMethod()->ShowImeIfNeeded();