Remove old webui History page on desktop and mobile

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 1c1995e59356f722f1863932f8c2b108d08a7902..92bbbb64751fede3fa6a4e1a56ea85f8ef167b5d 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -2074,9 +2074,6 @@ const FeatureEntry kFeatureEntries[] = {
     {"enable-md-feedback", flag_descriptions::kEnableMaterialDesignFeedbackName,
      flag_descriptions::kEnableMaterialDesignFeedbackDescription, kOsDesktop,
      SINGLE_VALUE_TYPE(switches::kEnableMaterialDesignFeedback)},
-    {"enable-md-history", flag_descriptions::kEnableMaterialDesignHistoryName,
-     flag_descriptions::kEnableMaterialDesignHistoryDescription, kOsDesktop,
-     FEATURE_VALUE_TYPE(features::kMaterialDesignHistory)},
     {"enable-md-incognito-ntp",
      flag_descriptions::kMaterialDesignIncognitoNTPName,
      flag_descriptions::kMaterialDesignIncognitoNTPDescription, kOsDesktop,
@@ -2148,9 +2145,6 @@ const FeatureEntry kFeatureEntries[] = {
      flag_descriptions::kEnableWebfontsInterventionTriggerName,
      flag_descriptions::kEnableWebfontsInterventionTriggerDescription, kOsAll,
      SINGLE_VALUE_TYPE(switches::kEnableWebFontsInterventionTrigger)},
-    {"enable-grouped-history", flag_descriptions::kEnableGroupedHistoryName,
-     flag_descriptions::kEnableGroupedHistoryDescription, kOsDesktop,
-     SINGLE_VALUE_TYPE(switches::kHistoryEnableGroupByDomain)},
     {"ssl-version-max", flag_descriptions::kSslVersionMaxName,
      flag_descriptions::kSslVersionMaxDescription, kOsAll,
      MULTI_VALUE_TYPE(kSSLVersionMaxChoices)},
@@ -2541,10 +2535,6 @@ const FeatureEntry kFeatureEntries[] = {
          // Must be AutofillCreditCardDropdownVariations to prevent DCHECK crash
          // when the flag is manually enabled in a local build.
          "AutofillCreditCardDropdownVariations")},
-    {"native-android-history-manager",
-     flag_descriptions::kNativeAndroidHistoryManager,
-     flag_descriptions::kNativeAndroidHistoryManagerDescription, kOsAndroid,
-     FEATURE_VALUE_TYPE(features::kNativeAndroidHistoryManager)},
 #endif  // OS_ANDROID
     {"enable-autofill-credit-card-last-used-date-display",
      flag_descriptions::kEnableAutofillCreditCardLastUsedDateDisplay,