| // Copyright 2016 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_FRAME_TREE_NODE_BLAME_CONTEXT_H |
| #define CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_NODE_BLAME_CONTEXT_H |
| |
| #include "base/macros.h" |
| #include "base/trace_event/blame_context.h" |
| #include "url/gurl.h" |
| |
| namespace base { |
| namespace trace_event { |
| class TracedValue; |
| } |
| } |
| |
| namespace content { |
| |
| class FrameTreeNode; |
| |
| // FrameTreeNodeBlameContext is a helper class for tracing snapshots of each |
| // FrameTreeNode and attributing browser activities to frames (when possible), |
| // in the framework of FrameBlamer (crbug.com/546021). This class is unrelated |
| // to the core logic of FrameTreeNode. |
| class FrameTreeNodeBlameContext : public base::trace_event::BlameContext { |
| public: |
| FrameTreeNodeBlameContext(int node_id, FrameTreeNode* parent); |
| ~FrameTreeNodeBlameContext() override; |
| |
| private: |
| void AsValueInto(base::trace_event::TracedValue* value) override; |
| |
| DISALLOW_COPY_AND_ASSIGN(FrameTreeNodeBlameContext); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_FRAME_HOST_FRAME_TREE_NODE_BLAME_CONTEXT_H |