Set active extension IDs for crash reports using the crash key logging system.

chrome/common/child_process_logging_mac.mm

 // Copyright (c) 2012 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/common/child_process_logging.h"
 
 #import <Foundation/Foundation.h>
 
 #include "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/metrics/variations/variations_util.h"
 #include "chrome/installer/util/google_update_settings.h"
 
 namespace child_process_logging {
 
 using base::debug::SetCrashKeyValueFuncT;
 using base::debug::ClearCrashKeyValueFuncT;
 using base::debug::SetCrashKeyValue;
 using base::debug::ClearCrashKey;
 
 const char* kGuidParamName = "guid";
 const char* kNumberOfViews = "num-views";
-const char* kNumExtensionsName = "num-extensions";
-const char* kExtensionNameFormat = "extension-%zu";
 const char* kPrinterInfoNameFormat = "prn-info-%zu";
 
 // Account for the terminating null character.
 static const size_t kClientIdSize = 32 + 1;
 static char g_client_id[kClientIdSize];
 
 void SetClientIdImpl(const std::string& client_id,
                      SetCrashKeyValueFuncT set_key_func) {
   set_key_func(kGuidParamName, client_id);
 }
 
 void SetClientId(const std::string& client_id) {
   std::string str(client_id);
   ReplaceSubstringsAfterOffset(&str, 0, "-", "");
 
   base::strlcpy(g_client_id, str.c_str(), kClientIdSize);
     SetClientIdImpl(str, SetCrashKeyValue);
 
   std::wstring wstr = ASCIIToWide(str);
   GoogleUpdateSettings::SetMetricsId(wstr);
 }
 
 std::string GetClientId() {
   return std::string(g_client_id);
 }
 
-void SetActiveExtensions(const std::set<std::string>& extension_ids) {
-  // Log the count separately to track heavy users.
-  const int count = static_cast<int>(extension_ids.size());
-  SetCrashKeyValue(kNumExtensionsName, base::IntToString(count));
-
-  // Record up to |kMaxReportedActiveExtensions| extensions, clearing
-  // keys if there aren't that many.
-  std::set<std::string>::const_iterator iter = extension_ids.begin();
-  for (size_t i = 0; i < kMaxReportedActiveExtensions; ++i) {
-    std::string key = base::StringPrintf(kExtensionNameFormat, i);
-    if (iter != extension_ids.end()) {
-      SetCrashKeyValue(key, *iter);
-      ++iter;
-    } else {
-      ClearCrashKey(key);
-    }
-  }
-}
-
 void SetPrinterInfo(const char* printer_info) {
   std::vector<std::string> info;
   base::SplitString(printer_info, ';', &info);
   info.resize(kMaxReportedPrinterRecords);
   for (size_t i = 0; i < info.size(); ++i) {
     std::string key = base::StringPrintf(kPrinterInfoNameFormat, i);
     if (!info[i].empty()) {
       SetCrashKeyValue(key, info[i]);
     } else {
       ClearCrashKey(key);
@@ skipping 66 matching lines @@
                    base::StringPrintf("%zu", experiments.size()));
 }
 
 void SetChannel(const std::string& channel) {
   // This should match the corresponding string in breakpad_win.cc.
   const std::string kChannelKey = "channel";
   SetCrashKeyValue(kChannelKey, channel);
 }
 
 }  // namespace child_process_logging