Add support for TraceEvent before the native library is loaded.

base/android/jni_array.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_ARRAY_H_
 #define BASE_ANDROID_JNI_ARRAY_H_
 
 #include <jni.h>
 #include <string>
 #include <vector>
@@ skipping 43 matching lines @@
     JNIEnv* env,
     jobjectArray array,
     std::vector<std::string>* out);
 
 // Appends the Java bytes in |bytes_array| onto the end of |out|.
 BASE_EXPORT void AppendJavaByteArrayToByteVector(
     JNIEnv* env,
     jbyteArray byte_array,
     std::vector<uint8>* out);
 
+// Appends the Java longs in |longs_array| onto the end of |out|.
+BASE_EXPORT void AppendJavaLongArrayToLongVector(
+    JNIEnv* env,
+    jlongArray long_array,
+    std::vector<long>* out);
+
 // Replaces the content of |out| with the Java bytes in |bytes_array|.
 BASE_EXPORT void JavaByteArrayToByteVector(
     JNIEnv* env,
     jbyteArray byte_array,
     std::vector<uint8>* out);
 
 // Replaces the content of |out| with the Java ints in |int_array|.
 BASE_EXPORT void JavaIntArrayToIntVector(
     JNIEnv* env,
     jintArray int_array,
@@ skipping 16 matching lines @@
 // conversion is performed.
 BASE_EXPORT void JavaArrayOfByteArrayToStringVector(
     JNIEnv* env,
     jobjectArray array,
     std::vector<std::string>* out);
 
 }  // namespace android
 }  // namespace base
 
 #endif  // BASE_ANDROID_JNI_ARRAY_H_