Platform-specific prune state storage.

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 64c3204247ad755daac60d562b739674b774b4e0..ab5a2fc28e9b10cccefad48d001743df0ef5e121 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -2511,6 +2511,9 @@
       'browser/safe_browsing/incident_reporting/module_integrity_verifier_win.h',
       'browser/safe_browsing/incident_reporting/off_domain_inclusion_detector.cc',
       'browser/safe_browsing/incident_reporting/off_domain_inclusion_detector.h',
+      'browser/safe_browsing/incident_reporting/platform_state_store.cc',
+      'browser/safe_browsing/incident_reporting/platform_state_store.h',
+      'browser/safe_browsing/incident_reporting/platform_state_store_win.cc',
       'browser/safe_browsing/incident_reporting/preference_validation_delegate.cc',
       'browser/safe_browsing/incident_reporting/preference_validation_delegate.h',
       'browser/safe_browsing/incident_reporting/resource_request_detector.cc',
@@ -3496,6 +3499,13 @@
               'dependencies': [
                 'safe_browsing_proto',
               ],
+              'conditions': [
+                ['OS=="win"', {
+                  'dependencies': [
+                    'incident_reporting_state_store_data_proto',
+                  ],
+                }],
+              ],
             }],
             ['safe_browsing == 3', {
               'sources': [ '<@(chrome_browser_safe_browsing_mobile_extended_sources)' ],
@@ -3958,6 +3968,19 @@
       },
       'includes': [ '../build/protoc.gypi' ]
     },
+    {
+      # Protobuf compiler / generator for the safebrowsing incident reporting
+      # service state store data protocol buffer.
+      # GN version: //chrome/browser/safe_browsing/incident_reporting:state_store_data_proto
+      'target_name': 'incident_reporting_state_store_data_proto',
+      'type': 'static_library',
+      'sources': [ 'browser/safe_browsing/incident_reporting/state_store_data.proto' ],
+      'variables': {
+        'proto_in_dir': 'browser/safe_browsing/incident_reporting',
+        'proto_out_dir': 'chrome/browser/safe_browsing/incident_reporting',
+      },
+      'includes': [ '../build/protoc.gypi' ],
+    },
   ],
   'conditions': [
     ['OS=="android"', {