chrome: Cleanup class/struct forward declarations

chrome/browser/safe_browsing/incident_reporting/binary_integrity_analyzer.h

 // Copyright 2014 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_INCIDENT_REPORTING_BINARY_INTEGRITY_ANALYZER_H_
 #define CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_BINARY_INTEGRITY_ANALYZER_H_
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
 
 
 namespace base {
-class FilePath;
 class TimeDelta;
 }  // namespace base
 
 namespace safe_browsing {
 
 class IncidentReceiver;
 
 // Registers a process-wide analysis with the incident reporting service that
 // will verify the signature of the most critical binaries used by Chrome. It
 // will send an incident report every time a signature verification fails.
 void RegisterBinaryIntegrityAnalysis();
 
 // Callback to pass to the incident reporting service. The incident reporting
 // service will decide when to start the analysis.
 void VerifyBinaryIntegrity(std::unique_ptr<IncidentReceiver> incident_receiver);
 
 // Record how long the signature verification took.
 void RecordSignatureVerificationTime(size_t file_index,
                                      const base::TimeDelta& verification_time);
 
 // Clear past incident reports for a file or bundle. This is used if the code
 // object is now integral, as it will allow future incidents to be reported.
 void ClearBinaryIntegrityForFile(IncidentReceiver* incident_receiver,
                                  const std::string& basename);
 
 }  // namespace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_BINARY_INTEGRITY_ANALYZER_H_