Trace FrameTreeNode Snapshots

content/browser/frame_host/traced_frame_tree_node.h

Index: content/browser/frame_host/traced_frame_tree_node.h
diff --git a/content/browser/frame_host/traced_frame_tree_node.h b/content/browser/frame_host/traced_frame_tree_node.h
new file mode 100644
index 0000000000000000000000000000000000000000..0c992fa48d5544696ab8a643027aa2aa768fb1db
--- /dev/null
+++ b/content/browser/frame_host/traced_frame_tree_node.h
@@ -0,0 +1,36 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.

[nasko, 2016/03/02 00:20:20]

It has been an year already : ), 2016.

[benjhayden, 2016/03/02 18:53:03]

Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/macros.h"
+#include "base/memory/scoped_vector.h"
+#include "base/trace_event/trace_event_impl.h"
+#include "base/values.h"
+#include "content/common/content_export.h"
+
+namespace content {
+
+class FrameTree;
+class FrameTreeNode;
+
+// This is a temporary container used when tracing snapshots of FrameTree
+// objects. When a snapshot of a FrameTree is taken, a TracedFrameTreeNode is
+// created and stored by the tracing system until the trace is dumped.
+class CONTENT_EXPORT TracedFrameTreeNode :
+  public base::trace_event::ConvertableToTraceFormat {
+ public:
+  TracedFrameTreeNode(const FrameTreeNode& node);
+  void AppendAsTraceFormat(std::string* out) const override;
+
+ private:
+  ~TracedFrameTreeNode() override;
+
+  int parentNodeId_;

[nasko, 2016/03/02 00:20:20]

Class members use hacker_case_.

[benjhayden, 2016/03/02 18:53:03]

Done.

+  std::string url_;
+  int processId_;
+  int routingId_;
+
+  DISALLOW_COPY_AND_ASSIGN(TracedFrameTreeNode);
+};
+
+}  // content