Adding sampling support to installer crash reporter client.

chrome/install_static/install_util.cc

 // 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.
 
 #include "chrome/install_static/install_util.h"
 
 #include <windows.h>
 #include <assert.h>
 #include <algorithm>
 #include <iostream>
@@ skipping 27 matching lines @@
     L"Software\\Google\\Update\\ClientStateMedium";
 const wchar_t kRegPathChromePolicy[] = L"SOFTWARE\\Policies\\Google\\Chrome";
 #else
 const wchar_t kRegPathClientState[] =
     L"Software\\Chromium\\Update\\ClientState";
 const wchar_t kRegPathClientStateMedium[] =
     L"Software\\Chromium\\Update\\ClientStateMedium";
 const wchar_t kRegPathChromePolicy[] = L"SOFTWARE\\Policies\\Chromium";
 #endif
 
+const wchar_t kRegValueChromeStatsSample[] = L"UsageStatsInSample";
 const wchar_t kRegValueUsageStats[] = L"usagestats";
 const wchar_t kUninstallArgumentsField[] = L"UninstallArguments";
 const wchar_t kMetricsReportingEnabled[] = L"MetricsReportingEnabled";
 
 const wchar_t kAppGuidCanary[] = L"{4ea16ac7-fd5a-47c3-875b-dbf4a2008c20}";
 const wchar_t kAppGuidGoogleChrome[] =
     L"{8A69D345-D564-463c-AFF1-A69D9E530F96}";
 const wchar_t kAppGuidGoogleBinaries[] =
     L"{4DC8B4CA-1BDA-483e-B5FA-D3C12E15B62D}";
 
@@ skipping 22 matching lines @@
 #else
 const wchar_t kChromiumInstallSubDir[] = L"Chromium";
 #endif  // defined(GOOGLE_CHROME_BUILD)
 
 const wchar_t kUserDataDirname[] = L"User Data";
 const wchar_t kBrowserCrashDumpMetricsSubKey[] = L"\\BrowserCrashDumpAttempts";
 
 const wchar_t kRegPathGoogleUpdate[] = L"Software\\Google\\Update";
 const wchar_t kRegGoogleUpdateVersion[] = L"version";
 
-// Registry key to store the stats/crash sampling state of Chrome. If set to 1,
-// stats and crash reports will be uploaded in line with the user's consent,
-// otherwise, uploads will be disabled. It is used to sample clients, to reduce
-// server load for metics and crashes. This is controlled by the
-// MetricsReporting feature in chrome_metrics_services_manager_client.cc and is
-// written when metrics services are started up and when consent changes.
-const wchar_t kRegValueChromeStatsSample[] = L"UsageStatsInSample";
-
 void Trace(const wchar_t* format_string, ...) {
   static const int kMaxLogBufferSize = 1024;
   static wchar_t buffer[kMaxLogBufferSize] = {};
 
   va_list args = {};
 
   va_start(args, format_string);
   vswprintf(buffer, kMaxLogBufferSize, format_string, args);
   OutputDebugStringW(buffer);
   va_end(args);
@@ skipping 779 matching lines @@
     switch_value_end_offset = command_line_copy.length();
 
   std::string switch_value = command_line_copy.substr(
       switch_value_start_offset,
       switch_value_end_offset - (switch_offset + switch_token.length()));
   TrimT<std::string>(&switch_value);
   return switch_value;
 }
 
 }  // namespace install_static