Create an experiment for saved password PG.

Expand phishguard to show warnings on saved password
reuse on phishing sites.

Bug: 1010764
Change-Id: I7ea4f49ab6afaac8d2229a011356d77f35d10612
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1837092
Commit-Queue: Bettina Dea <bdea@chromium.org>
Reviewed-by: Varun Khaneja <vakh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#702501}

components/safe_browsing/features.cc

@@ -44,6 +44,10 @@ const base::Feature kDeepScanningOfDownloads{
 const base::Feature kForceUseAPDownloadProtection{
     "ForceUseAPDownloadProtection", base::FEATURE_DISABLED_BY_DEFAULT};
 
+const base::Feature kPasswordProtectionForSavedPasswords{
+    "SafeBrowsingPasswordProtectionForSignedInUsers",
+    base::FEATURE_DISABLED_BY_DEFAULT};
+
 const base::Feature kPasswordProtectionForSignedInUsers{
     "SafeBrowsingPasswordProtectionForSignedInUsers",
     base::FEATURE_DISABLED_BY_DEFAULT};
@@ -114,6 +118,7 @@ constexpr struct {
     {&kCaptureSafetyNetId, true},
     {&kCommittedSBInterstitials, true},
     {&kForceUseAPDownloadProtection, false},
+    {&kPasswordProtectionForSavedPasswords, true},
     {&kPasswordProtectionForSignedInUsers, true},
     {&kRealTimeUrlLookupEnabled, true},
     {&kRealTimeUrlLookupFetchAllowlist, true},

components/safe_browsing/features.h

@@ -51,6 +51,9 @@ extern const base::Feature kDeepScanningOfDownloads;
 // APP.
 extern const base::Feature kForceUseAPDownloadProtection;
 
+// Enable password protection for non-Google accounts.
+extern const base::Feature kPasswordProtectionForSavedPasswords;
+
 // Enable GAIA password protection for signed-in users.
 extern const base::Feature kPasswordProtectionForSignedInUsers;