Remove FilePath usage from the CrashReporterClient interface on Windows.

chrome/installer/setup/installer_crash_reporter_client.h

 // Copyright 2015 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_INSTALLER_SETUP_INSTALLER_CRASH_REPORTER_CLIENT_H_
 #define CHROME_INSTALLER_SETUP_INSTALLER_CRASH_REPORTER_CLIENT_H_
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "components/crash/content/app/crash_reporter_client.h"
 
 class InstallerCrashReporterClient
     : public crash_reporter::CrashReporterClient {
  public:
   explicit InstallerCrashReporterClient(bool is_per_user_install);
   ~InstallerCrashReporterClient() override;
 
   // crash_reporter::CrashReporterClient methods:
   bool ShouldCreatePipeName(const base::string16& process_type) override;
-  bool GetAlternativeCrashDumpLocation(base::FilePath* crash_dir) override;
-  void GetProductNameAndVersion(const base::FilePath& exe_path,
+  bool GetAlternativeCrashDumpLocation(base::string16* crash_dir) override;
+  void GetProductNameAndVersion(const base::string16& exe_path,
                                 base::string16* product_name,
                                 base::string16* version,
                                 base::string16* special_build,
                                 base::string16* channel_name) override;
   bool ShouldShowRestartDialog(base::string16* title,
                                base::string16* message,
                                bool* is_rtl_locale) override;
   bool AboutToRestart() override;
   bool GetDeferredUploadsSupported(bool is_per_user_install) override;
-  bool GetIsPerUserInstall(const base::FilePath& exe_path) override;
+  bool GetIsPerUserInstall(const base::string16& exe_path) override;
   bool GetShouldDumpLargerDumps(bool is_per_user_install) override;
   int GetResultCodeRespawnFailed() override;
-  bool GetCrashDumpLocation(base::FilePath* crash_dir) override;
+  bool GetCrashDumpLocation(base::string16* crash_dir) override;
   size_t RegisterCrashKeys() override;
   bool IsRunningUnattended() override;
   bool GetCollectStatsConsent() override;
   bool ReportingIsEnforcedByPolicy(bool* enabled) override;
   bool EnableBreakpadForProcess(const std::string& process_type) override;
 
  private:
   bool is_per_user_install_;
 
   DISALLOW_COPY_AND_ASSIGN(InstallerCrashReporterClient);
 };
 
 #endif  // CHROME_INSTALLER_SETUP_INSTALLER_CRASH_REPORTER_CLIENT_H_