Adding support for sampling crashes in Chrome on Windows.

chrome/app/chrome_crash_reporter_client_win.h

 // Copyright 2016 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_APP_CHROME_CRASH_REPORTER_CLIENT_WIN_H_
 #define CHROME_APP_CHROME_CRASH_REPORTER_CLIENT_WIN_H_
 
 #include "base/macros.h"
 #include "components/crash/content/app/crash_reporter_client.h"
 
@@ skipping 26 matching lines @@
   int GetResultCodeRespawnFailed() override;
 
   bool GetCrashDumpLocation(base::string16* crash_dir) override;
 
   size_t RegisterCrashKeys() override;
 
   bool IsRunningUnattended() override;
 
   bool GetCollectStatsConsent() override;
 
+  bool GetCollectStatsInSample() override;
+
   bool ReportingIsEnforcedByPolicy(bool* breakpad_enabled) override;
 
   bool EnableBreakpadForProcess(const std::string& process_type) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ChromeCrashReporterClient);
 };
 
 #endif  // CHROME_APP_CHROME_CRASH_REPORTER_CLIENT_WIN_H_