[OsSettingsDeepLinking] Fix flag typo and add IsDeepLinkingEnabled()

Change-Id: Ifd63251a67ae9fe31e3d46f5e80a4dd54f7bd0be
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2288203
Commit-Queue: Daniel Classon <dclasson@google.com>
Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Cr-Commit-Position: refs/heads/master@{#786493}

chrome/browser/about_flags.cc

@@ -5431,7 +5431,7 @@ const FeatureEntry kFeatureEntries[] = {
      FEATURE_VALUE_TYPE(chromeos::features::kNewOsSettingsSearch)},
     {"os-settings-deep-linking", flag_descriptions::kOsSettingsDeepLinkingName,
      flag_descriptions::kOsSettingsDeepLinkingDescription, kOsCrOS,
-     FEATURE_VALUE_TYPE(chromeos::features::kNewOsSettingsSearch)},
+     FEATURE_VALUE_TYPE(chromeos::features::kOsSettingsDeepLinking)},
     {"dlc-settings-ui", flag_descriptions::kDlcSettingsUiName,
      flag_descriptions::kDlcSettingsUiDescription, kOsCrOS,
      FEATURE_VALUE_TYPE(chromeos::features::kDlcSettingsUi)},

chromeos/constants/chromeos_features.cc

@@ -478,6 +478,10 @@ bool IsAmbientModeEnabled() {
   return base::FeatureList::IsEnabled(kAmbientModeFeature);
 }
 
+bool IsDeepLinkingEnabled() {
+  return base::FeatureList::IsEnabled(kOsSettingsDeepLinking);
+}
+
 bool IsEduCoexistenceEnabled() {
   return base::FeatureList::IsEnabled(kEduCoexistence);
 }

chromeos/constants/chromeos_features.h

@@ -208,6 +208,7 @@ extern const base::Feature kImeMozcProto;
 
 COMPONENT_EXPORT(CHROMEOS_CONSTANTS) bool IsAmbientModeEnabled();
 COMPONENT_EXPORT(CHROMEOS_CONSTANTS) bool IsAssistantEnabled();
+COMPONENT_EXPORT(CHROMEOS_CONSTANTS) bool IsDeepLinkingEnabled();
 COMPONENT_EXPORT(CHROMEOS_CONSTANTS) bool IsEduCoexistenceEnabled();
 COMPONENT_EXPORT(CHROMEOS_CONSTANTS) bool IsImeSandboxEnabled();
 COMPONENT_EXPORT(CHROMEOS_CONSTANTS)