Android: Update convenience macro defining JNI-accessible methods

webrtc/sdk/android/src/jni/androidhistogram_jni.cc

Index: webrtc/sdk/android/src/jni/androidhistogram_jni.cc
diff --git a/webrtc/sdk/android/src/jni/androidhistogram_jni.cc b/webrtc/sdk/android/src/jni/androidhistogram_jni.cc
index c3c9742a082172877ee38930a3512bb77aaeca2e..c94cc4297de4de4fd4afd42556d4dcc0292cf107 100644
--- a/webrtc/sdk/android/src/jni/androidhistogram_jni.cc
+++ b/webrtc/sdk/android/src/jni/androidhistogram_jni.cc
@@ -18,22 +18,36 @@
 // Enables collection of native histograms and creating them.
 namespace webrtc_jni {
 
-JOW(jlong, Histogram_nativeCreateCounts)
-(JNIEnv* jni, jclass, jstring j_name, jint min, jint max, jint buckets) {
+JNI_FUNCTION_DECLARATION(jlong,
+                         Histogram_nativeCreateCounts,
+                         JNIEnv* jni,
+                         jclass,
+                         jstring j_name,
+                         jint min,
+                         jint max,
+                         jint buckets) {
   std::string name = JavaToStdString(jni, j_name);
   return jlongFromPointer(
       webrtc::metrics::HistogramFactoryGetCounts(name, min, max, buckets));
 }
 
-JOW(jlong, Histogram_nativeCreateEnumeration)
-(JNIEnv* jni, jclass, jstring j_name, jint max) {
+JNI_FUNCTION_DECLARATION(jlong,
+                         Histogram_nativeCreateEnumeration,
+                         JNIEnv* jni,
+                         jclass,
+                         jstring j_name,
+                         jint max) {
   std::string name = JavaToStdString(jni, j_name);
   return jlongFromPointer(
       webrtc::metrics::HistogramFactoryGetEnumeration(name, max));
 }
 
-JOW(void, Histogram_nativeAddSample)
-(JNIEnv* jni, jclass, jlong histogram, jint sample) {
+JNI_FUNCTION_DECLARATION(void,
+                         Histogram_nativeAddSample,
+                         JNIEnv* jni,
+                         jclass,
+                         jlong histogram,
+                         jint sample) {
   if (histogram) {
     HistogramAdd(reinterpret_cast<webrtc::metrics::Histogram*>(histogram),
                  sample);