Added a ForceYouTubeRestrict policy and deprecated the old ForceYouTubeSafetyMode policy

chrome/browser/policy/policy_browsertest.cc

Index: chrome/browser/policy/policy_browsertest.cc
diff --git a/chrome/browser/policy/policy_browsertest.cc b/chrome/browser/policy/policy_browsertest.cc
index acdd3199584eb5273ae333acaa7c1539fcaeff4a..73ccbdee42121e0a89980afdd98cdb425c595d98 100644
--- a/chrome/browser/policy/policy_browsertest.cc
+++ b/chrome/browser/policy/policy_browsertest.cc
@@ -881,13 +881,13 @@ class PolicyTest : public InProcessBrowserTest {
   void ApplySafeSearchPolicy(
       std::unique_ptr<base::FundamentalValue> legacy_safe_search,
       std::unique_ptr<base::FundamentalValue> google_safe_search,
-      std::unique_ptr<base::FundamentalValue> youtube_safety_mode) {
+      std::unique_ptr<base::FundamentalValue> youtube_restrict) {
     PolicyMap policies;
     SetPolicy(&policies, key::kForceSafeSearch, std::move(legacy_safe_search));
     SetPolicy(&policies, key::kForceGoogleSafeSearch,
               std::move(google_safe_search));
-    SetPolicy(&policies, key::kForceYouTubeSafetyMode,
-              std::move(youtube_safety_mode));
+    SetPolicy(&policies, key::kForceYouTubeRestrict,
+              std::move(youtube_restrict));
     UpdateProviderPolicy(policies);
   }
 
@@ -1172,20 +1172,27 @@ IN_PROC_BROWSER_TEST_F(PolicyTest, ForceSafeSearch) {
   // First check that nothing happens.
   CheckSafeSearch(false);
 
-  // Go over all combinations of (undefined,true,false) for the three policies.
-  for (int i = 0; i < 3 * 3 * 3; i++) {
-    int legacy = i % 3;
-    int google = (i / 3) % 3;
-    int youtube = i / (3 * 3);
+  // Go over all combinations of (undefined,true,false) resp.
+  // (undefined, off, moderate, strict) for the three policies.
+  for (int i = 0; i < 3 * 3 * 4; i++) {
+    int val = i;
+    int legacy  = val % 3; val /= 3;
+    int google  = val % 3; val /= 3;
+    int youtube = val % 4;
 
     // Override the default SafeSearch setting using policies.
+    static_assert(safe_search_util::YTRM_OFF      == 0 &&
+                  safe_search_util::YTRM_MODERATE == 1 &&
+                  safe_search_util::YTRM_STRICT   == 2,
+                  "Adjust 'youtube' to match YTRM enum");
+
     ApplySafeSearchPolicy(
-        legacy == 0 ? nullptr
-                    : base::WrapUnique(new base::FundamentalValue(legacy == 1)),
-        google == 0 ? nullptr
-                    : base::WrapUnique(new base::FundamentalValue(google == 1)),
-        youtube == 0 ? nullptr : base::WrapUnique(
-                                     new base::FundamentalValue(youtube == 1)));
+       legacy == 0 ? nullptr
+                   : base::WrapUnique(new base::FundamentalValue(legacy == 1)),
+       google == 0 ? nullptr
+                   : base::WrapUnique(new base::FundamentalValue(google == 1)),
+      youtube == 0 ? nullptr            // subtracting 1 gives 0,1,2, see above
+                   : base::WrapUnique(new base::FundamentalValue(youtube - 1)));
 
     // The legacy policy should only have an effect if both google and youtube
     // are undefined.
@@ -1199,9 +1206,14 @@ IN_PROC_BROWSER_TEST_F(PolicyTest, ForceSafeSearch) {
               prefs->GetBoolean(prefs::kForceGoogleSafeSearch));
 
     EXPECT_EQ(youtube != 0 || legacy_in_effect,
-              prefs->IsManagedPreference(prefs::kForceYouTubeSafetyMode));
-    EXPECT_EQ(youtube == 1 || legacy_enabled,
-              prefs->GetBoolean(prefs::kForceYouTubeSafetyMode));
+              prefs->IsManagedPreference(prefs::kForceYouTubeRestrict));
+    EXPECT_EQ(youtube != 0,
+              prefs->GetInteger(prefs::kForceYouTubeRestrict) == youtube - 1);
+
+    // The legacy safe search policy should result in Moderate strictness
+    if (youtube == 0 && legacy_enabled)
+      EXPECT_EQ(prefs->GetInteger(prefs::kForceYouTubeRestrict),
+                safe_search_util::YTRM_MODERATE);
 
     CheckSafeSearch(google == 1 || legacy_enabled);
   }