PlzNavigate: implement RequestNavigation in the no live renderer case

content/browser/frame_host/navigation_before_commit_info.h

+// Copyright 2014 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 CONTENT_BROWSER_FRAME_HOST_NAVIGATION_BEFORE_COMMIT_INFO_H_
+#define CONTENT_BROWSER_FRAME_HOST_NAVIGATION_BEFORE_COMMIT_INFO_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "content/public/common/page_transition_types.h"
+#include "content/public/common/referrer.h"
+#include "url/gurl.h"
+
+namespace content {
+
+// PlzNavigate:
+// Holds the parameters determined during the load of a navigation request until
+// the response is received. Initialized on the IO thread, then passed to the UI
+// thread where it should be used to send a FrameMsg_CommitNavigation message to
+// the renderer.
+struct NavigationBeforeCommitInfo {
+  NavigationBeforeCommitInfo() {};
+
+  // The url that is actually being loaded.
+  GURL navigation_url;
+
+  // A unique blob url to be subsequently requested by the renderer as the main
+  // resource for the frame, that will be used to find the associated stream of
+  // data.
+  GURL stream_url;
+
+  // TODO(clamy): Maybe add the redirect chain if needed by the renderer.
+
+  // The navigationStart time to expose to JS for this navigation.
+  // TODO(clamy): Add the other values that matter to the Navigation Timing API.
+  base::TimeTicks browser_navigation_start;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATION_BEFORE_COMMIT_INFO_H_