Remove JNI onload callback vector construction in favour of direct calls.

base/android/base_jni_onload.h

Index: base/android/base_jni_onload.h
diff --git a/base/android/base_jni_onload.h b/base/android/base_jni_onload.h
index dcc7756684eba733881b84f6891fe41f16d25ad6..be637d57b90b0ccdb1b900e343ae9aebb49a0297 100644
--- a/base/android/base_jni_onload.h
+++ b/base/android/base_jni_onload.h
@@ -14,17 +14,12 @@
 namespace base {
 namespace android {
 
-// Returns whether JNI registration succeeded. Caller shall put the
-// RegisterCallback into |callbacks| in reverse order.
+// Returns whether JNI registration succeeded.
 typedef base::Callback<bool(JNIEnv*)> RegisterCallback;
-BASE_EXPORT bool OnJNIOnLoadRegisterJNI(
-    JavaVM* vm,
-    std::vector<RegisterCallback> callbacks);
-
-// Returns whether initialization succeeded. Caller shall put the
-// InitCallback into |callbacks| in reverse order.
-typedef base::Callback<bool(void)> InitCallback;
-BASE_EXPORT bool OnJNIOnLoadInit(std::vector<InitCallback> callbacks);
+BASE_EXPORT bool OnJNIOnLoadRegisterJNI(JNIEnv* env);
+
+// Returns whether initialization succeeded.
+BASE_EXPORT bool OnJNIOnLoadInit();
 
 }  // namespace android
 }  // namespace base