win: Get Kasko crash keys from Crashpad instead of Breakpad

components/crash/content/app/crashpad.cc

Index: components/crash/content/app/crashpad.cc
diff --git a/components/crash/content/app/crashpad.cc b/components/crash/content/app/crashpad.cc
index e3b4124affd8182b1d160d42f109363bab717612..3c4880c93d7e5c83e03cc0f600a4da5d3f8fe2ce 100644
--- a/components/crash/content/app/crashpad.cc
+++ b/components/crash/content/app/crashpad.cc
@@ -233,4 +233,17 @@ void GetUploadedReports(std::vector<UploadedReport>* uploaded_reports) {
             });
 }
 
+std::vector<std::pair<std::string, std::string>> GetCrashKeys() {
+  std::vector<std::pair<std::string, std::string>> pairs;
+  pairs.reserve(g_simple_string_dictionary->GetCount());
+  crashpad::SimpleStringDictionary::Iterator iter(*g_simple_string_dictionary);
+  for (;;) {
+    const auto* entry = iter.Next();
+    if (!entry)
+      break;
+    pairs.push_back(std::make_pair(entry->key, entry->value));
+  }
+  return pairs;
+}
+
 }  // namespace crash_reporter