Options/MD Settings: use new prefs to drive import data dialog

chrome/test/data/policy/policy_test_cases.json

Index: chrome/test/data/policy/policy_test_cases.json
diff --git a/chrome/test/data/policy/policy_test_cases.json b/chrome/test/data/policy/policy_test_cases.json
index 6e04df2825343eb3ece03721ce5a1ac8eed231fe..10017662bcbef036ac77e0d16b8fbd136e6d32e5 100644
--- a/chrome/test/data/policy/policy_test_cases.json
+++ b/chrome/test/data/policy/policy_test_cases.json
@@ -1633,7 +1633,7 @@
     "can_be_recommended": true,
     "test_policy": { "ImportBookmarks": false },
     "pref_mappings": [
-      { "pref": "import_bookmarks",
+      { "pref": "import_dialog_bookmarks",
         "indicator_tests": [
           { "policy": { "ImportBookmarks": false } }
         ]
@@ -1646,7 +1646,7 @@
     "can_be_recommended": true,
     "test_policy": { "ImportHistory": false },
     "pref_mappings": [
-      { "pref": "import_history",
+      { "pref": "import_dialog_history",
         "indicator_tests": [
           { "policy": { "ImportHistory": false } }
         ]
@@ -1667,7 +1667,7 @@
     "can_be_recommended": true,
     "test_policy": { "ImportSearchEngine": false },
     "pref_mappings": [
-      { "pref": "import_search_engine",
+      { "pref": "import_dialog_search_engine",
         "indicator_tests": [
           { "policy": { "ImportSearchEngine": false } }
         ]
@@ -1680,7 +1680,7 @@
     "can_be_recommended": true,
     "test_policy": { "ImportSavedPasswords": false },
     "pref_mappings": [
-      { "pref": "import_saved_passwords",
+      { "pref": "import_dialog_saved_passwords",
         "indicator_tests": [
           { "policy": { "ImportSavedPasswords": false } }
         ]
@@ -1693,7 +1693,7 @@
     "can_be_recommended": true,
     "test_policy": { "ImportAutofillFormData": false },
     "pref_mappings": [
-      { "pref": "import_autofill_form_data",
+      { "pref": "import_dialog_autofill_form_data",
         "indicator_tests": [
           { "policy": { "ImportAutofillFormData": false } }
         ]