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

content/browser/android/background_sync_network_observer_android.cc

 // Copyright 2015 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 "content/browser/android/background_sync_network_observer_android.h"
 
 #include "base/android/context_utils.h"
 #include "jni/BackgroundSyncNetworkObserver_jni.h"
 
 using base::android::JavaParamRef;
@@ skipping 28 matching lines @@
   base::android::ScopedJavaGlobalRef<jobject> obj(
       Java_BackgroundSyncNetworkObserver_createObserver(
           env, base::android::GetApplicationContext(),
           reinterpret_cast<jlong>(this)));
   j_observer_.Reset(obj);
 }
 
 BackgroundSyncNetworkObserverAndroid::Observer::~Observer() {
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_BackgroundSyncNetworkObserver_removeObserver(
-      env, j_observer_.obj(), reinterpret_cast<jlong>(this));
+      env, j_observer_, reinterpret_cast<jlong>(this));
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   j_observer_.Release();
 }
 
 void BackgroundSyncNetworkObserverAndroid::Observer::
     NotifyConnectionTypeChanged(JNIEnv* env,
                                 const JavaParamRef<jobject>& jcaller,
                                 jint new_connection_type) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   BrowserThread::PostTask(
@@ skipping 20 matching lines @@
 
   observer_ = Observer::Create(
       base::Bind(&BackgroundSyncNetworkObserverAndroid::OnNetworkChanged,
                  weak_ptr_factory_.GetWeakPtr()));
 }
 
 BackgroundSyncNetworkObserverAndroid::~BackgroundSyncNetworkObserverAndroid() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 }
 }  // namespace content