[Passwords] Add UI Flag for Leak Detection

This change adds a UI flag for the password leak detection feature.

Bug: 986298
Change-Id: I0dde3c0afa4464bd97bd11c57b8fa7b5de7a8600
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1761605
Commit-Queue: Jan Wilken Dörrie <jdoerrie@chromium.org>
Commit-Queue: Vasilii Sukhanov <vasilii@chromium.org>
Auto-Submit: Jan Wilken Dörrie <jdoerrie@chromium.org>
Reviewed-by: Vasilii Sukhanov <vasilii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#688512}

chrome/browser/about_flags.cc

@@ -4346,6 +4346,10 @@ const FeatureEntry kFeatureEntries[] = {
      FEATURE_VALUE_TYPE(features::kProfileMenuRevamp)},
 #endif  // defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
 
+    {"password-leak-detection", flag_descriptions::kPasswordLeakDetectionName,
+     flag_descriptions::kPasswordLeakDetectionDescription, kOsAll,
+     FEATURE_VALUE_TYPE(password_manager::features::kLeakDetection)},
+
     // NOTE: Adding a new flag requires adding a corresponding entry to enum
     // "LoginCustomFlags" in tools/metrics/histograms/enums.xml. See "Flag
     // Histograms" in tools/metrics/histograms/README.md (run the

chrome/browser/flag-metadata.json

@@ -2720,6 +2720,11 @@
     "owners": [ "izuzic", "fhorschig" ],
     "expiry_milestone": 80
   },
+  {
+    "name": "password-leak-detection",
+    "owners": [ "jdoerrie", "vasilii" ],
+    "expiry_milestone": 80
+  },
   {
     "name": "password-manager-onboarding-android",
     "owners": ["achulkov", "ioanap"],

chrome/browser/flag_descriptions.cc

@@ -1528,6 +1528,10 @@ const char kPasswordImportName[] = "Password import";
 const char kPasswordImportDescription[] =
     "Import functionality in password settings.";
 
+const char kPasswordLeakDetectionName[] = "Password Leak Detection";
+const char kPasswordLeakDetectionDescription[] =
+    "Enables the detection of leaked passwords.";
+
 const char kForceWebContentsDarkModeName[] = "Force Dark Mode for Web Contents";
 const char kForceWebContentsDarkModeDescription[] =
     "Automatically render all web contents using a dark theme.";

chrome/browser/flag_descriptions.h

@@ -918,6 +918,9 @@ extern const char kPassiveDocumentWheelEventListenersDescription[];
 extern const char kPasswordImportName[];
 extern const char kPasswordImportDescription[];
 
+extern const char kPasswordLeakDetectionName[];
+extern const char kPasswordLeakDetectionDescription[];
+
 extern const char kForceWebContentsDarkModeName[];
 extern const char kForceWebContentsDarkModeDescription[];
 

tools/metrics/histograms/enums.xml

@@ -34688,6 +34688,7 @@ Called by update_gpu_driver_bug_workaround_entries.py.-->
       label="OmniboxUIExperimentShowPlaceholderWhenCaretShowing:disabled"/>
   <int value="-1454479680" label="FileHandlingAPI:enabled"/>
   <int value="-1454397907" label="OptimizationHints:disabled"/>
+  <int value="-1453647118" label="PasswordLeakDetection:disabled"/>
   <int value="-1451644187" label="OverviewSwipeToClose:enabled"/>
   <int value="-1450576851" label="OmniboxUIExperimentVerticalLayout:enabled"/>
   <int value="-1448511207" label="UseMessagesStagingUrl:disabled"/>
@@ -36855,6 +36856,7 @@ from previous Chrome versions.
   <int value="1567839560"
       label="ChromeHomePersonalizedOmniboxSuggestions:disabled"/>
   <int value="1571998166" label="DetectingHeavyPages:disabled"/>
+  <int value="1575978252" label="PasswordLeakDetection:enabled"/>
   <int value="1577205328"
       label="DataReductionProxyEnabledWithNetworkService:enabled"/>
   <int value="1579461102" label="MemoryCoordinator:disabled"/>