Update from https://crrev.com/329939

base/android/build_info.cc

 // 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 "base/android/build_info.h"
 
 #include <string>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 50 matching lines @@
       build_type_(StrDupJString(Java_BuildInfo_getBuildType(env))),
       sdk_int_(Java_BuildInfo_getSdkInt(env)),
       java_exception_info_(NULL) {
 }
 
 // static
 BuildInfo* BuildInfo::GetInstance() {
   return Singleton<BuildInfo, BuildInfoSingletonTraits >::get();
 }
 
-void BuildInfo::set_java_exception_info(const std::string& info) {
+void BuildInfo::SetJavaExceptionInfo(const std::string& info) {
   DCHECK(!java_exception_info_) << "info should be set only once.";
   java_exception_info_ = strndup(info.c_str(), 4096);
 }
 
+void BuildInfo::ClearJavaExceptionInfo() {
+  delete java_exception_info_;
+  java_exception_info_ = nullptr;
+}
+
 // static
 bool BuildInfo::RegisterBindings(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace android
 }  // namespace base