Add WebView-specific whitelist for crash keys.

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 @@
 #else
 bool CrashReporterClient::GetCrashMetricsLocation(base::FilePath* crash_dir) {
 #endif
   return false;
 }
 
 size_t CrashReporterClient::RegisterCrashKeys() {
   return 0;
 }
 
+bool CrashReporterClient::UseCrashKeysWhiteList() {
+  return false;
+}
+
+const char** CrashReporterClient::GetWhiteListedCrashKeys() {
+  return NULL;

[Robert Sesek, 2017/03/02 22:29:40]

nullptr

[gsennton, 2017/03/03 00:09:32]

Done.

+}
+
 bool CrashReporterClient::IsRunningUnattended() {
   return true;
 }
 
 bool CrashReporterClient::GetCollectStatsConsent() {
   return false;
 }
 
 bool CrashReporterClient::GetCollectStatsInSample() {
   // By default, clients don't do sampling, so everything will be "in-sample".
@@ skipping 29 matching lines @@
 #endif
 }
 #endif
 
 bool CrashReporterClient::EnableBreakpadForProcess(
     const std::string& process_type) {
   return false;
 }
 
 }  // namespace crash_reporter