[iOS] CBD cleanup: feature flag

Part of the new clear browsing data dialog cleanup effort. This change
removes the feature flag definition.

Bug: 947456
Change-Id: I2231e58c58583ba6b825a32c6390937b0894f9ea
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1985012
Commit-Queue: Huanzhong Huang <huanzhong@chromium.org>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: Mark Cogan <marq@chromium.org>
Cr-Commit-Position: refs/heads/master@{#729704}

ios/chrome/browser/browsing_data/browsing_data_features.cc

@@ -4,12 +4,5 @@
 
 #include "ios/chrome/browser/browsing_data/browsing_data_features.h"
 
-const base::Feature kNewClearBrowsingDataUI{"NewClearBrowsingDataUI",
-                                            base::FEATURE_ENABLED_BY_DEFAULT};
-
 const base::Feature kWebClearBrowsingData{"WebClearBrowsingData",
                                           base::FEATURE_ENABLED_BY_DEFAULT};
-
-bool IsNewClearBrowsingDataUIEnabled() {
-  return base::FeatureList::IsEnabled(kNewClearBrowsingDataUI);
-}

ios/chrome/browser/browsing_data/browsing_data_features.h

@@ -7,14 +7,8 @@
 
 #include "base/feature_list.h"
 
-// Feature flag to enable new Clear Browsing Data UI.
-extern const base::Feature kNewClearBrowsingDataUI;
-
 // Feature to use the clear browsing data from web instead of the one from
 // chrome.
 extern const base::Feature kWebClearBrowsingData;
 
-// Whether the new Clear Browsing Data UI is enabled.
-bool IsNewClearBrowsingDataUIEnabled();
-
 #endif  // IOS_CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_FEATURES_H_

ios/chrome/browser/flags/about_flags.mm

@@ -314,10 +314,6 @@ const flags_ui::FeatureEntry kFeatureEntries[] = {
      flag_descriptions::kAutofillIOSDelayBetweenFieldsName,
      flag_descriptions::kAutofillIOSDelayBetweenFieldsDescription,
      flags_ui::kOsIos, MULTI_VALUE_TYPE(kAutofillIOSDelayBetweenFieldsChoices)},
-    {"new-clear-browsing-data-ui",
-     flag_descriptions::kNewClearBrowsingDataUIName,
-     flag_descriptions::kNewClearBrowsingDataUIDescription, flags_ui::kOsIos,
-     FEATURE_VALUE_TYPE(kNewClearBrowsingDataUI)},
     {"autofill-show-all-profiles-on-prefilled-forms",
      flag_descriptions::kAutofillShowAllSuggestionsOnPrefilledFormsName,
      flag_descriptions::kAutofillShowAllSuggestionsOnPrefilledFormsDescription,

ios/chrome/browser/flags/ios_chrome_flag_descriptions.cc

@@ -266,10 +266,6 @@ const char kMobileGoogleSRPDescription[] =
     "Request the Mobile version of Google SRP by default when the desktop mode "
     "is requested by default.";
 
-const char kNewClearBrowsingDataUIName[] = "Clear Browsing Data UI";
-const char kNewClearBrowsingDataUIDescription[] =
-    "Enable new Clear Browsing Data UI.";
-
 const char kNewOmniboxPopupLayoutName[] = "New omnibox popup";
 const char kNewOmniboxPopupLayoutDescription[] =
     "Switches the omnibox suggestions and omnibox itself to display the new "

ios/chrome/browser/flags/ios_chrome_flag_descriptions.h

@@ -232,10 +232,6 @@ extern const char kMarkHttpAsDescription[];
 extern const char kMobileGoogleSRPName[];
 extern const char kMobileGoogleSRPDescription[];
 
-// Title and description for the flag to enable new Clear Browsing Data UI.
-extern const char kNewClearBrowsingDataUIName[];
-extern const char kNewClearBrowsingDataUIDescription[];
-
 // Title and description for the flag to display new omnibox popup.
 extern const char kNewOmniboxPopupLayoutName[];
 extern const char kNewOmniboxPopupLayoutDescription[];