Fill is_chrome_signin_password field in the password entry pings.

chrome/browser/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 2221 matching lines @@
     # (safe_browsing=1) and mobile (=2)
     sources += [
       "loader/data_reduction_proxy_resource_throttle_android.cc",
       "loader/data_reduction_proxy_resource_throttle_android.h",
       "safe_browsing/certificate_reporting_metrics_provider.cc",
       "safe_browsing/certificate_reporting_metrics_provider.h",
       "safe_browsing/certificate_reporting_service.cc",
       "safe_browsing/certificate_reporting_service.h",
       "safe_browsing/certificate_reporting_service_factory.cc",
       "safe_browsing/certificate_reporting_service_factory.h",
-      "safe_browsing/chrome_password_protection_service.cc",
-      "safe_browsing/chrome_password_protection_service.h",
       "safe_browsing/notification_image_reporter.cc",
       "safe_browsing/notification_image_reporter.h",
       "safe_browsing/permission_reporter.cc",
       "safe_browsing/permission_reporter.h",
       "safe_browsing/ping_manager.cc",
       "safe_browsing/ping_manager.h",
       "safe_browsing/safe_browsing_blocking_page.cc",
       "safe_browsing/safe_browsing_blocking_page.h",
       "safe_browsing/safe_browsing_navigation_observer.cc",
       "safe_browsing/safe_browsing_navigation_observer.h",
@@ skipping 27 matching lines @@
       # full safe browsing. This has some in common with "mobile."
       sources += [
         "download/download_completion_blocker.cc",
         "download/download_completion_blocker.h",
         "loader/safe_browsing_resource_throttle.cc",
         "loader/safe_browsing_resource_throttle.h",
         "safe_browsing/browser_feature_extractor.cc",
         "safe_browsing/browser_feature_extractor.h",
         "safe_browsing/browser_features.cc",
         "safe_browsing/browser_features.h",
+        "safe_browsing/chrome_password_protection_service.cc",
+        "safe_browsing/chrome_password_protection_service.h",
         "safe_browsing/chunk_range.cc",
         "safe_browsing/chunk_range.h",
         "safe_browsing/client_side_detection_host.cc",
         "safe_browsing/client_side_detection_host.h",
         "safe_browsing/client_side_detection_service.cc",
         "safe_browsing/client_side_detection_service.h",
         "safe_browsing/client_side_model_loader.cc",
         "safe_browsing/client_side_model_loader.h",
         "safe_browsing/download_feedback.cc",
         "safe_browsing/download_feedback.h",
@@ skipping 2471 matching lines @@
       "//components/search_engines",
       "//rlz:rlz_lib",
     ]
   }
 }
 
 service_manifest("preferences_forwarder_manifest") {
   name = "preferences_forwarder"
   source = "prefs/forwarder_manifest.json"
 }