Introduce a parse for digital asset links.

components/password_manager/core/browser/site_affiliation/asset_link_data.h

Index: components/password_manager/core/browser/site_affiliation/asset_link_data.h
diff --git a/components/password_manager/core/browser/site_affiliation/asset_link_data.h b/components/password_manager/core/browser/site_affiliation/asset_link_data.h
new file mode 100644
index 0000000000000000000000000000000000000000..0f3766299ed96b68562c239db0bd919e517f8681
--- /dev/null
+++ b/components/password_manager/core/browser/site_affiliation/asset_link_data.h
@@ -0,0 +1,44 @@
+// Copyright 2017 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.
+
+#ifndef COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_SITE_AFFILIATION_ASSET_LINK_DATA_H_
+#define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_SITE_AFFILIATION_ASSET_LINK_DATA_H_
+
+#include <string>
+#include <vector>
+
+#include "base/macros.h"
+#include "url/gurl.h"
+
+namespace password_manager {
+
+// The class parses an asset link file. The spec for the format is
+// https://github.com/google/digitalassetlinks/blob/master/well-known/details.md
+// The class cares only about two types of statements:
+// - includes. Those are just a reference to a file to be loaded and parsed.
+// - "get_login_creds" permission to a web page. That means that the target is
+//   allowed to get the credentials saved for the source.
+// Only HTTPS URLs are taken into account.
+class AssetLinkData {
+ public:
+  AssetLinkData();
+  AssetLinkData(AssetLinkData&& other) noexcept;
+  ~AssetLinkData();
+
+  AssetLinkData& operator=(AssetLinkData&& other);
+
+  bool Parse(const std::string& data);
+
+  const std::vector<GURL>& includes() const { return includes_; }
+  const std::vector<GURL>& targets() const { return targets_; }
+
+ private:
+  std::vector<GURL> includes_;
+  std::vector<GURL> targets_;
+
+  DISALLOW_COPY_AND_ASSIGN(AssetLinkData);
+};
+
+}  // namespace password_manager
+#endif  // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_SITE_AFFILIATION_ASSET_LINK_DATA_H_