Implement important sites dialog for desktop.

chrome/browser/android/chrome_feature_list.cc

Index: chrome/browser/android/chrome_feature_list.cc
diff --git a/chrome/browser/android/chrome_feature_list.cc b/chrome/browser/android/chrome_feature_list.cc
index 3b545b333ac7b9d71ec8df1f2796d88216a3d008..865bb2d5f1219e527f5e3d18a512cba0e08e0795 100644
--- a/chrome/browser/android/chrome_feature_list.cc
+++ b/chrome/browser/android/chrome_feature_list.cc
@@ -39,6 +39,7 @@ const base::Feature* kFeaturesExposedToJava[] = {
     &autofill::kAutofillScanCardholderName,
     &features::kConsistentOmniboxGeolocation,
     &features::kCopylessPaste,
+    &features::kImportantSitesInCbd,
     &features::kServiceWorkerPaymentApps,
     &features::kSimplifiedFullscreenUI,
     &features::kVrShell,
@@ -63,7 +64,6 @@ const base::Feature* kFeaturesExposedToJava[] = {
     &data_reduction_proxy::features::kDataReductionMainMenu,
     &data_reduction_proxy::features::kDataReductionSiteBreakdown,
     &kFullscreenActivity,
-    &kImportantSitesInCBD,
     &kImprovedA2HS,
     &kNewPhotoPicker,
     &kNoCreditCardAbort,
@@ -162,9 +162,6 @@ const base::Feature kDownloadHomeShowStorageInfo{
 const base::Feature kFullscreenActivity{"FullscreenActivity",
                                         base::FEATURE_DISABLED_BY_DEFAULT};
 
-const base::Feature kImportantSitesInCBD{"ImportantSitesInCBD",
-                                         base::FEATURE_DISABLED_BY_DEFAULT};
-
 // Makes "Add to Home screen" in the app menu generate an APK for the shortcut
 // URL which opens Chrome in fullscreen.
 const base::Feature kImprovedA2HS{"ImprovedA2HS",