Update to Chromium revision bc084a8b (#530369)

libcef/common/cef_crash_report_utils.cc

@@ -0,0 +1,57 @@
+// Copyright 2018 The Chromium Embedded Framework Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "libcef/common/cef_crash_report_utils.h"
+
+#include "base/strings/string_split.h"
+
+namespace crash_report_utils {
+
+ParameterMap FilterParameters(const ParameterMap& parameters) {
+  ParameterMap in_map = parameters;
+
+  // Extract the key map, if any. Must match the logic in
+  // CefCrashReporterClient::ReadCrashConfigFile.
+  std::string key_map;
+  for (size_t i = 0; true; ++i) {
+    const std::string& key = "K-" + std::string(1, 'A' + i);
+    ParameterMap::iterator it = in_map.find(key);
+    if (it == in_map.end())
+      break;
+    key_map += it->second;
+    in_map.erase(it);
+  }
+
+  if (key_map.empty()) {
+    // Nothing to substitute.
+    return parameters;
+  }
+
+  // Parse |key_map|.
+  base::StringPairs kv_pairs;
+  if (!base::SplitStringIntoKeyValuePairs(key_map, '=', ',', &kv_pairs)) {
+    return parameters;
+  }
+
+  ParameterMap subs;
+  for (const auto& pairs : kv_pairs) {
+    subs.insert(std::make_pair(pairs.first, pairs.second));
+  }
+
+  ParameterMap out_map;
+
+  // Perform key substitutions.
+  for (const auto& params : in_map) {
+    std::string key = params.first;
+    ParameterMap::const_iterator subs_it = subs.find(params.first);
+    if (subs_it != subs.end()) {
+      key = subs_it->second;
+    }
+    out_map.insert(std::make_pair(key, params.second));
+  }
+
+  return out_map;
+}
+
+}  // namespace crash_report_utils