Update base::StartsWith calls to new form

chrome/browser/ui/app_list/search/search_controller_factory.cc

Index: chrome/browser/ui/app_list/search/search_controller_factory.cc
diff --git a/chrome/browser/ui/app_list/search/search_controller_factory.cc b/chrome/browser/ui/app_list/search/search_controller_factory.cc
index 9f4b4c1fe3dd91ddd0e86ded1f63d81363d35f34..f30a01b61fee89042a97a067d42bc357771c3ea9 100644
--- a/chrome/browser/ui/app_list/search/search_controller_factory.cc
+++ b/chrome/browser/ui/app_list/search/search_controller_factory.cc
@@ -48,9 +48,10 @@ const char kSuggestionsProviderFieldTrialEnabledPrefix[] = "Enabled";
 // Returns whether the user is part of a group where the Suggestions provider is
 // enabled.
 bool IsSuggestionsSearchProviderEnabled() {
-  return base::StartsWithASCII(
+  return base::StartsWith(
       base::FieldTrialList::FindFullName(kSuggestionsProviderFieldTrialName),
-      kSuggestionsProviderFieldTrialEnabledPrefix, true);
+      kSuggestionsProviderFieldTrialEnabledPrefix,
+      base::CompareCase::SENSITIVE);
 }
 
 }  // namespace