Revert of Remove setVoiceSearchSupported part of EmbeddedSearch SearchBox API.

chrome/browser/ui/search/instant_extended_interactive_uitest.cc

Index: chrome/browser/ui/search/instant_extended_interactive_uitest.cc
diff --git a/chrome/browser/ui/search/instant_extended_interactive_uitest.cc b/chrome/browser/ui/search/instant_extended_interactive_uitest.cc
index 44167e878c194d6ffa7e655b5ebfd5eb15cdfffc..34a519efc3727ce3785876cc2ce38308d25a87a0 100644
--- a/chrome/browser/ui/search/instant_extended_interactive_uitest.cc
+++ b/chrome/browser/ui/search/instant_extended_interactive_uitest.cc
@@ -139,8 +139,9 @@
         submit_count_(0),
         on_esc_key_press_event_calls_(0),
         on_focus_changed_calls_(0),
-        is_focused_(false) {}
-
+        is_focused_(false),
+        on_toggle_voice_search_calls_(0) {
+  }
  protected:
   void SetUpInProcessBrowserTestFixture() override {
     search::EnableQueryExtractionForTesting();
@@ -184,6 +185,8 @@
                        &on_focus_changed_calls_) &&
            GetBoolFromJS(contents, "isFocused",
                          &is_focused_) &&
+           GetIntFromJS(contents, "onToggleVoiceSearchCalls",
+                        &on_toggle_voice_search_calls_) &&
            GetStringFromJS(contents, "prefetchQuery", &prefetch_query_value_);
 
   }
@@ -244,6 +247,7 @@
   std::string query_value_;
   int on_focus_changed_calls_;
   bool is_focused_;
+  int on_toggle_voice_search_calls_;
   std::string prefetch_query_value_;
 };