android: Report child exception by crashing

base/android/java_exception_reporter.cc

 // Copyright 2015 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/java_exception_reporter.h"
 
 #include "base/android/build_info.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/debug/dump_without_crashing.h"
 #include "jni/JavaExceptionReporter_jni.h"
 
 using base::android::JavaParamRef;
 
 namespace base {
 namespace android {
 
 void InitJavaExceptionReporter() {
   JNIEnv* env = base::android::AttachCurrentThread();
-  Java_JavaExceptionReporter_installHandler(env);
+  constexpr bool crash_after_report = false;
+  Java_JavaExceptionReporter_installHandler(env, crash_after_report);
+}
+
+void InitJavaExceptionReporterForChildProcess() {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  constexpr bool crash_after_report = true;
+  Java_JavaExceptionReporter_installHandler(env, crash_after_report);
 }
 
 void ReportJavaException(JNIEnv* env,
                          const JavaParamRef<jclass>& jcaller,
+                         jboolean crash_after_report,
                          const JavaParamRef<jthrowable>& e) {
+  std::string exception_info = base::android::GetJavaExceptionInfo(env, e);
   // Set the exception_string in BuildInfo so that breakpad can read it.
-  base::android::BuildInfo::GetInstance()->SetJavaExceptionInfo(
-      base::android::GetJavaExceptionInfo(env, e));
+  base::android::BuildInfo::GetInstance()->SetJavaExceptionInfo(exception_info);
+  if (crash_after_report) {
+    LOG(ERROR) << exception_info;
+    LOG(FATAL) << "Uncaught exception";
+  }
   base::debug::DumpWithoutCrashing();
   base::android::BuildInfo::GetInstance()->ClearJavaExceptionInfo();
 }
 
 void ReportJavaStackTrace(JNIEnv* env,
                           const JavaParamRef<jclass>& jcaller,
                           const JavaParamRef<jstring>& stackTrace) {
   base::android::BuildInfo::GetInstance()->SetJavaExceptionInfo(
       ConvertJavaStringToUTF8(stackTrace));
   base::debug::DumpWithoutCrashing();
   base::android::BuildInfo::GetInstance()->ClearJavaExceptionInfo();
 }
 
 bool RegisterJavaExceptionReporterJni(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace android
 }  // namespace base