[Android] Adding JavaLongArrayToInt64Vector method

base/android/jni_array.cc

Index: base/android/jni_array.cc
diff --git a/base/android/jni_array.cc b/base/android/jni_array.cc
index 1bbc66997bdea1f9b7e52022287b08b90c3fec57..8df2e24decbf5a2eecb5884764ed2badbc6477e0 100644
--- a/base/android/jni_array.cc
+++ b/base/android/jni_array.cc
@@ -185,6 +185,17 @@ void JavaIntArrayToIntVector(JNIEnv* env,
   env->GetIntArrayRegion(int_array, 0, len, &(*out)[0]);
 }
 
+void JavaLongArrayToInt64Vector(JNIEnv* env,
+                                jlongArray long_array,
+                                std::vector<int64>* out) {
+  DCHECK(out);
+  size_t len = SafeGetArrayLength(env, long_array);
+  out->resize(len);
+  if (!len)
+    return;
+  env->GetLongArrayRegion(long_array, 0, len, &(*out)[0]);

[DmitrySkiba, 2015/08/25 14:31:44]

Hmm, this should produce a warning because GetLongArrayRegion() expects jlong*,
but we are passing int64* without a cast.

[fgorski, 2015/08/25 18:37:55]

Good point, I am testing the updated version now.

+}
+
 void JavaLongArrayToLongVector(JNIEnv* env,
                                jlongArray long_array,
                                std::vector<jlong>* out) {