For Chrome builds, only upload crashes when the build is official.

chrome_elf/breakpad.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.
 
 // This module contains the necessary code to register the Breakpad exception
 // handler. This implementation is based on Chrome's crash reporting code.
 
 #include "chrome_elf/breakpad.h"
 
 #include <sddl.h>
@@ skipping 108 matching lines @@
   // Minidump with stacks, PEB, TEBs and unloaded module list.
   MINIDUMP_TYPE dump_type = static_cast<MINIDUMP_TYPE>(
       MiniDumpWithProcessThreadData |  // Get PEB and TEB.
       MiniDumpWithUnloadedModules |  // Get unloaded modules when available.
       MiniDumpWithIndirectlyReferencedMemory);  // Get memory referenced by
                                                 // stack.
 
   // Convert #define to a variable so that we can use if() rather than
   // #if below and so at least compile-test the Chrome code in
   // Chromium builds.
-#if defined(GOOGLE_CHROME_BUILD)
-  bool is_chrome_build = true;
+#if defined(GOOGLE_CHROME_BUILD) && defined(OFFICIAL_BUILD)
+  bool is_official_chrome_build = true;
 #else
-  bool is_chrome_build = false;
+  bool is_official_chrome_build = false;
 #endif
 
   base::string16 pipe_name;
 
   bool enabled_by_policy = false;
   bool use_policy = ReportingIsEnforcedByPolicy(&enabled_by_policy);
 
   if (!use_policy && IsHeadless()) {
     pipe_name = kChromePipeName;
-  } else if (use_policy ? enabled_by_policy :
-                          (is_chrome_build && AreUsageStatsEnabled(exe_path))) {
+  } else if (use_policy ?
+                 enabled_by_policy :
+                 (is_official_chrome_build && AreUsageStatsEnabled(exe_path))) {
     // Build the pipe name. It can be one of:
     // 32-bit system: \\.\pipe\GoogleCrashServices\S-1-5-18
     // 32-bit user: \\.\pipe\GoogleCrashServices\<user SID>
     // 64-bit system: \\.\pipe\GoogleCrashServices\S-1-5-18-x64
     // 64-bit user: \\.\pipe\GoogleCrashServices\<user SID>-x64
     base::string16 user_sid = IsSystemInstall(exe_path) ? kSystemPrincipalSid :
                                                           GetUserSidString();
     if (user_sid.empty())
       return;
 
@@ skipping 17 matching lines @@
       google_breakpad::ExceptionHandler::HANDLER_ALL,
       dump_type,
       pipe_name.c_str(),
       GetCustomInfo());
 
   if (g_elf_breakpad->IsOutOfProcess()) {
     // Tells breakpad to handle breakpoint and single step exceptions.
     g_elf_breakpad->set_handle_debug_exceptions(true);
   }
 }