Adding support for sampling crashes in Chrome on Windows.

components/crash/content/app/crash_reporter_client.cc

 // Copyright 2013 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.
 
 #include "components/crash/content/app/crash_reporter_client.h"
 
 #include "build/build_config.h"
 
 // On Windows don't use FilePath and logging.h.
 // http://crbug.com/604923
@@ skipping 104 matching lines @@
 }
 
 bool CrashReporterClient::IsRunningUnattended() {
   return true;
 }
 
 bool CrashReporterClient::GetCollectStatsConsent() {
   return false;
 }
 
+bool CrashReporterClient::GetCollectStatsInSample() {
+  return true;

[Alexei Svitkine (slow), 2016/08/10 21:49:33]

Maybe add a comment about why true as default value makes sense.

[jwd, 2016/08/11 21:41:03]

Done.

+}
+
 #if defined(OS_WIN) || defined(OS_MACOSX)
 bool CrashReporterClient::ReportingIsEnforcedByPolicy(bool* breakpad_enabled) {
   return false;
 }
 #endif
 
 #if defined(OS_ANDROID)
 int CrashReporterClient::GetAndroidMinidumpDescriptor() {
   return 0;
 }
@@ skipping 12 matching lines @@
 #endif
 }
 #endif
 
 bool CrashReporterClient::EnableBreakpadForProcess(
     const std::string& process_type) {
   return false;
 }
 
 }  // namespace crash_reporter