Move the rest of the renderer->browser messages that belong in content. Also do a bunch of cleanup:

chrome/renderer/safe_browsing/malware_dom_details.h

 // Copyright (c) 2011 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.
 //
 // MalwareDOMDetails iterates over a document's frames and gathers
 // interesting URLs such as those of scripts and frames. When done, it sends
 // them to the MalwareDetails that requested them.
 
 #ifndef CHROME_RENDERER_SAFE_BROWSING_MALWARE_DOM_DETAILS_H_
 #define CHROME_RENDERER_SAFE_BROWSING_MALWARE_DOM_DETAILS_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/scoped_ptr.h"
 #include "base/task.h"
 #include "content/renderer/render_view_observer.h"
 
 class GURL;
 class RenderView;
 
 namespace WebKit {
 class WebElement;
 class WebFrame;
 }
 
-struct ViewHostMsg_MalwareDOMDetails_Params;
-struct ViewHostMsg_MalwareDOMDetails_Node;
+struct SafeBrowsingHostMsg_MalwareDOMDetails_Node;
 
 namespace safe_browsing {
 
 // There is one MalwareDOMDetails per RenderView.
 class MalwareDOMDetails : public RenderViewObserver {
  public:
   // An upper limit on the number of nodes we collect. Not const for the test.
   static uint32 kMaxNodes;
 
   // Creates a MalwareDOMDetails for the specified RenderView.
   // The MalwareDOMDetails should be destroyed prior to destroying
   // the RenderView.
   explicit MalwareDOMDetails(RenderView* render_view);
   ~MalwareDOMDetails();
 
   // Begins extracting resource urls for the page currently loaded in
   // this object's RenderView.
-  void ExtractResources(ViewHostMsg_MalwareDOMDetails_Params* resources);
+  void ExtractResources(
+      std::vector<SafeBrowsingHostMsg_MalwareDOMDetails_Node>* resources);
 
  private:
   // RenderViewObserver implementation.
   virtual bool OnMessageReceived(const IPC::Message& message);
 
   void OnGetMalwareDOMDetails();
 
   // Handler for the various HTML elements that we extract URLs from.
-  void HandleElement(const WebKit::WebElement& element,
-                     ViewHostMsg_MalwareDOMDetails_Node* parent_node,
-                     ViewHostMsg_MalwareDOMDetails_Params* resources);
+  void HandleElement(
+      const WebKit::WebElement& element,
+      SafeBrowsingHostMsg_MalwareDOMDetails_Node* parent_node,
+      std::vector<SafeBrowsingHostMsg_MalwareDOMDetails_Node>* resources);
 
   // Non-owned pointer to the view that we will extract features from.
   RenderView* render_view_;
 
   DISALLOW_COPY_AND_ASSIGN(MalwareDOMDetails);
 };
 
 }  // namespace safe_browsing
 
 #endif  // CHROME_RENDERER_SAFE_BROWSING_MALWARE_DOM_DETAILS_H_