[android_webview] Introduce AwAssets to reference assets inside the apk.

base/android/jni_array.h

Index: base/android/jni_array.h
diff --git a/base/android/jni_array.h b/base/android/jni_array.h
index 9d9be67b84977c3c4d26d094394445f058995658..66b94226ce88653aa4d96a218947d72111707bbf 100644
--- a/base/android/jni_array.h
+++ b/base/android/jni_array.h
@@ -73,6 +73,12 @@ BASE_EXPORT void JavaIntArrayToIntVector(
     jintArray int_array,
     std::vector<int>* out);
 
+// Replaces the content of |out| with the Java longs in |long_array|.
+BASE_EXPORT void JavaLongArrayToLongVector(
+    JNIEnv* env,
+    jlongArray long_array,
+    std::vector<long>* out);
+
 // Replaces the content of |out| with the Java floats in |float_array|.
 BASE_EXPORT void JavaFloatArrayToFloatVector(
     JNIEnv* env,