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

mojo/android/system/watcher_impl.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/android/system/watcher_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/android/base_jni_registrar.h"
@@ skipping 14 matching lines @@
 namespace {
 
 class JavaWatcherCallback {
  public:
   JavaWatcherCallback(JNIEnv* env, const JavaParamRef<jobject>& java_watcher) {
     java_watcher_.Reset(env, java_watcher);
   }
 
   void OnHandleReady(MojoResult result) {
     Java_WatcherImpl_onHandleReady(base::android::AttachCurrentThread(),
-                                   java_watcher_.obj(), result);
+                                   java_watcher_, result);
   }
 
  private:
   base::android::ScopedJavaGlobalRef<jobject> java_watcher_;
 };
 
 }  // namespace
 
 static jlong CreateWatcher(JNIEnv* env, const JavaParamRef<jobject>& jcaller) {
   return reinterpret_cast<jlong>(new Watcher);
@@ skipping 23 matching lines @@
                    jlong watcher_ptr) {
   delete reinterpret_cast<Watcher*>(watcher_ptr);
 }
 
 bool RegisterWatcherImpl(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace android
 }  // namespace mojo