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

chrome/browser/android/webapps/webapp_registry.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 "chrome/browser/android/webapps/webapp_registry.h"
 
 #include <jni.h>
 
 #include "base/android/context_utils.h"
 #include "base/android/jni_android.h"
@@ skipping 13 matching lines @@
   // destroy this closure from Java, eliminating the need for
   // OnWebappsUnregistered() and OnClearedWebappHistory() callbacks.
   uintptr_t callback_pointer = reinterpret_cast<uintptr_t>(
       new base::Closure(callback));
 
   // We will destroy |filter_bridge| from its Java counterpart before calling
   // back OnWebappsUnregistered().
   UrlFilterBridge* filter_bridge = new UrlFilterBridge(url_filter);
 
   Java_WebappRegistry_unregisterWebappsForUrls(
-      env,
-      base::android::GetApplicationContext(),
-      filter_bridge->j_bridge().obj(),
+      env, base::android::GetApplicationContext(), filter_bridge->j_bridge(),
       callback_pointer);
 }
 
 void WebappRegistry::ClearWebappHistory(const base::Closure& callback) {
   JNIEnv* env = base::android::AttachCurrentThread();
   uintptr_t callback_pointer = reinterpret_cast<uintptr_t>(
       new base::Closure(callback));
 
   Java_WebappRegistry_clearWebappHistory(
       env,
@@ skipping 16 matching lines @@
                             jlong jcallback) {
   base::Closure* callback = reinterpret_cast<base::Closure*>(jcallback);
   callback->Run();
   delete callback;
 }
 
 // static
 bool WebappRegistry::RegisterWebappRegistry(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }