Componentize safe_browsing [X+1] : move the renderer part to component.

chrome/renderer/safe_browsing/threat_dom_details.h

-// Copyright (c) 2012 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.
-//
-// ThreatDOMDetails iterates over a document's frames and gathers
-// interesting URLs such as those of scripts and frames. When done, it sends
-// them to the ThreatDetails that requested them.
-
-#ifndef CHROME_RENDERER_SAFE_BROWSING_THREAT_DOM_DETAILS_H_
-#define CHROME_RENDERER_SAFE_BROWSING_THREAT_DOM_DETAILS_H_
-
-#include <vector>
-
-#include "base/compiler_specific.h"
-#include "content/public/renderer/render_frame_observer.h"
-
-struct SafeBrowsingHostMsg_ThreatDOMDetails_Node;
-
-namespace safe_browsing {
-
-// There is one ThreatDOMDetails per RenderFrame.
-class ThreatDOMDetails : public content::RenderFrameObserver {
- public:
-  // An upper limit on the number of nodes we collect. Not const for the test.
-  static uint32_t kMaxNodes;
-
-  static ThreatDOMDetails* Create(content::RenderFrame* render_frame);
-  ~ThreatDOMDetails() override;
-
-  // Begins extracting resource urls for the page currently loaded in
-  // this object's RenderFrame.
-  // Exposed for testing.
-  void ExtractResources(
-      std::vector<SafeBrowsingHostMsg_ThreatDOMDetails_Node>* resources);
-
- private:
-  // Creates a ThreatDOMDetails for the specified RenderFrame.
-  // The ThreatDOMDetails should be destroyed prior to destroying
-  // the RenderFrame.
-  explicit ThreatDOMDetails(content::RenderFrame* render_frame);
-
-  // RenderFrameObserver implementation.
-  bool OnMessageReceived(const IPC::Message& message) override;
-  void OnDestruct() override;
-
-  void OnGetThreatDOMDetails();
-
-  DISALLOW_COPY_AND_ASSIGN(ThreatDOMDetails);
-};
-
-}  // namespace safe_browsing
-
-#endif  // CHROME_RENDERER_SAFE_BROWSING_THREAT_DOM_DETAILS_H_