Network service: Safe browsing check for sub-resources from renderer.

chrome/common/safe_browsing.mojom

Index: chrome/common/safe_browsing.mojom
diff --git a/chrome/common/safe_browsing.mojom b/chrome/common/safe_browsing.mojom
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+// 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.
+
+module chrome.mojom;
+
+import "content/public/common/resource_type.mojom";
+import "url/mojo/url.mojom";
+
+interface SafeBrowsing {
+  // Queries SafeBrowsing whether |url| is safe to load, and creates a
+  // SafeBrowsingUrlChecker interface.
+  // This checker interface should be used (and only used) for subsequent checks
+  // of redirects, so that the server side could keep track of the redirect
+  // chain. Disconnecting the checker interface cancels on-going URL checks.
+  // Please note that in that case if the check started by this method hasn't
+  // completed yet, it will also be canceled and return true as if the URL is
+  // safe.
+  // The check and (subsequent checks performed using SafeBrowsingUrlChecker)
+  // checks against SafeBrowsing's Malware, Phishing, and UwS blacklists.
+  CreateCheckerAndCheck(
+      int32 render_frame_id,
+      SafeBrowsingUrlChecker& request,
+      url.mojom.Url url,
+      int32 load_flags,
+      content.mojom.ResourceType resource_type) => (bool safe);
+};
+
+interface SafeBrowsingUrlChecker {
+  CheckUrl(url.mojom.Url url) => (bool safe);
+};