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 {
+
+// Holds the parameters determined during the load of a navigation request
+// until receiving the response. 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 url to be subsequently requested by the renderer as the main resource for

[Charlie Reis, 2014/07/30 23:37:32]

Naming it |stream_url| helps, thanks.  Maybe "A unique url to be..." would help
further.  (I would have said "A unique blob URL to be..." in the comment, but
I'm ok if Nasko wants to hide that detail.)

[clamy, 2014/08/05 11:52:44]

Done.

+  // 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_