Options dropdown menu and advanced view UI complete

This CL completes the following for TAB UI:
1. Options dropdown menu.
2. Advanced view to select a different source language.
3. Advanced view to select a different target language.

Change-Id: I4dc50139bbbe3357ed1dfc723abc8d2aca55fbd2
Bug: 963148
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1632832
Commit-Queue: Haohao Wang <[email protected]>
Reviewed-by: anthonyvd <[email protected]>
Cr-Commit-Position: refs/heads/master@{#667630}
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 45c7b6f..a39580c 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -1582,7 +1582,7 @@
     defined(OS_CHROMEOS)
     {"translate-ui-bubble-options", flag_descriptions::kTranslateBubbleUIName,
      flag_descriptions::kTranslateBubbleUIDescription, kOsDesktop,
-     FEATURE_WITH_PARAMS_VALUE_TYPE(language::kUseButtonTranslateBubbleUI,
+     FEATURE_WITH_PARAMS_VALUE_TYPE(language::kUseButtonTranslateBubbleUi,
                                     kTranslateBubbleUIVariations,
                                     "UseButtonTranslateBubbleUI")},
 #endif  // OS_LINUX || OS_MACOSX || OS_WIN || OS_CHROMEOS