Remove now-unnecessary .obj() in Java method calls.

device/usb/usb_endpoint_android.cc

Index: device/usb/usb_endpoint_android.cc
diff --git a/device/usb/usb_endpoint_android.cc b/device/usb/usb_endpoint_android.cc
index 6908b98be94322ba953c19d6839ff7d43da0ecc3..a5eff76c60ec0b2510f10a7bb4fd4c10a63dab14 100644
--- a/device/usb/usb_endpoint_android.cc
+++ b/device/usb/usb_endpoint_android.cc
@@ -13,13 +13,13 @@ UsbEndpointDescriptor UsbEndpointAndroid::Convert(
     JNIEnv* env,
     const base::android::JavaRef<jobject>& usb_endpoint) {
   base::android::ScopedJavaLocalRef<jobject> wrapper =
-      Java_ChromeUsbEndpoint_create(env, usb_endpoint.obj());
+      Java_ChromeUsbEndpoint_create(env, usb_endpoint);
 
   UsbEndpointDescriptor endpoint(
-      Java_ChromeUsbEndpoint_getAddress(env, wrapper.obj()),
-      Java_ChromeUsbEndpoint_getAttributes(env, wrapper.obj()),
-      Java_ChromeUsbEndpoint_getMaxPacketSize(env, wrapper.obj()),
-      Java_ChromeUsbEndpoint_getInterval(env, wrapper.obj()));
+      Java_ChromeUsbEndpoint_getAddress(env, wrapper),
+      Java_ChromeUsbEndpoint_getAttributes(env, wrapper),
+      Java_ChromeUsbEndpoint_getMaxPacketSize(env, wrapper),
+      Java_ChromeUsbEndpoint_getInterval(env, wrapper));
 
   return endpoint;
 }