Update from https://crrev.com/329939

base/android/jni_android.h

 // 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.
 
 #ifndef BASE_ANDROID_JNI_ANDROID_H_
 #define BASE_ANDROID_JNI_ANDROID_H_
 
 #include <jni.h>
 #include <sys/types.h>
 
@@ skipping 112 matching lines @@
 // Returns true if an exception is pending in the provided JNIEnv*.
 BASE_EXPORT bool HasException(JNIEnv* env);
 
 // If an exception is pending in the provided JNIEnv*, this function clears it
 // and returns true.
 BASE_EXPORT bool ClearException(JNIEnv* env);
 
 // This function will call CHECK() macro if there's any pending exception.
 BASE_EXPORT void CheckException(JNIEnv* env);
 
+// This returns a string representation of the java stack trace.
+BASE_EXPORT std::string GetJavaExceptionInfo(JNIEnv* env,
+                                             jthrowable java_throwable);
+
 }  // namespace android
 }  // namespace base
 
 #endif  // BASE_ANDROID_JNI_ANDROID_H_