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

chrome/browser/android/mojo/chrome_interface_registrar_android.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 "chrome/browser/android/mojo/chrome_interface_registrar_android.h"
 
 #include "base/android/context_utils.h"
 #include "base/android/jni_android.h"
 #include "content/public/browser/android/interface_registry_android.h"
 #include "content/public/browser/web_contents.h"
 #include "jni/ChromeInterfaceRegistrar_jni.h"
 #include "services/shell/public/cpp/interface_registry.h"
 
 // static
 void ChromeInterfaceRegistrarAndroid::ExposeInterfacesToFrame(
     shell::InterfaceRegistry* registry,
     content::RenderFrameHost* render_frame_host) {
   content::WebContents* web_contents =
       content::WebContents::FromRenderFrameHost(render_frame_host);
 
   // Happens when, for example, showing the malware interstitial page.
   if (!web_contents)
     return;
 
   Java_ChromeInterfaceRegistrar_exposeInterfacesToFrame(
       base::android::AttachCurrentThread(),
-      content::InterfaceRegistryAndroid::Create(registry)->GetObj().obj(),
-      web_contents->GetJavaWebContents().obj());
+      content::InterfaceRegistryAndroid::Create(registry)->GetObj(),
+      web_contents->GetJavaWebContents());
 }