Componentize safe_browsing: move threat_details* to component.

chrome/browser/safe_browsing/threat_details_cache.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.
-
-#ifndef CHROME_BROWSER_SAFE_BROWSING_THREAT_DETAILS_CACHE_H_
-#define CHROME_BROWSER_SAFE_BROWSING_THREAT_DETAILS_CACHE_H_
-
-// A class that gets threat details from the HTTP Cache.
-// An instance of this class is generated by ThreatDetails.
-
-#include <string>
-#include <vector>
-
-#include "base/callback.h"
-#include "base/containers/hash_tables.h"
-#include "base/memory/linked_ptr.h"
-#include "base/memory/ref_counted.h"
-#include "net/base/completion_callback.h"
-#include "net/url_request/url_fetcher_delegate.h"
-
-namespace net {
-class URLFetcher;
-}
-
-namespace safe_browsing {
-
-// Maps a URL to its Resource.
-typedef base::hash_map<
-    std::string,
-    std::unique_ptr<ClientSafeBrowsingReportRequest::Resource>>
-    ResourceMap;
-
-class ThreatDetailsCacheCollector
-    : public base::RefCountedThreadSafe<ThreatDetailsCacheCollector>,
-      public net::URLFetcherDelegate {
- public:
-  ThreatDetailsCacheCollector();
-
-  // We use |request_context_getter|, we modify |resources| and
-  // |result|, and we call |callback|, so they must all remain alive
-  // for the lifetime of this object.
-  void StartCacheCollection(
-      net::URLRequestContextGetter* request_context_getter,
-      ResourceMap* resources,
-      bool* result,
-      const base::Closure& callback);
-
-  // Returns whether or not StartCacheCollection has been called.
-  bool HasStarted();
-
- protected:
-  // Implementation of URLFetcher::Delegate. Called after the request
-  // completes (either successfully or with failure).
-  void OnURLFetchComplete(const net::URLFetcher* source) override;
-
- private:
-  friend class base::RefCountedThreadSafe<ThreatDetailsCacheCollector>;
-
-  ~ThreatDetailsCacheCollector() override;
-
-  // Points to the url for which we are fetching the HTTP cache entry or
-  // redirect chain.
-  ResourceMap::iterator resources_it_;
-
-  // Points to the resources_ map in the ThreatDetails.
-  ResourceMap* resources_;
-
-  // Points to the cache_result_ in the ThreatDetails.
-  bool* result_;
-
-  // Method we call when we are done. The caller must be alive for the
-  // whole time, we are modifying its state (see above).
-  base::Closure callback_;
-
-  // Set to true as soon as StartCacheCollection is called.
-  bool has_started_;
-
-  // Used to get a pointer to the current request context.
-  scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
-
-  // The current URLFetcher.
-  std::unique_ptr<net::URLFetcher> current_fetch_;
-
-  // Returns the resource from resources_ that corresponds to |url|
-  ClientSafeBrowsingReportRequest::Resource* GetResource(
-      const GURL& url);
-
-  // Creates a new URLFetcher and starts it.
-  void OpenEntry();
-
-  // Read the HTTP response from |source| and add it to |pb_resource|.
-  void ReadResponse(
-      ClientSafeBrowsingReportRequest::Resource* pb_resource,
-      const net::URLFetcher* source);
-
-  // Read the body |data| and add it to |pb_resource|.
-  void ReadData(
-      ClientSafeBrowsingReportRequest::Resource* pb_resource,
-      const std::string& data);
-
-  // Called when we are done.
-  void AllDone(bool success);
-
-  // Advances to the next entry in resources_it_.
-  void AdvanceEntry();
-};
-
-}  // namespace safe_browsing
-
-#endif  // CHROME_BROWSER_SAFE_BROWSING_THREAT_DETAILS_CACHE_H_