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

chrome/browser/media/android/router/media_router_dialog_controller_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 "chrome/browser/media/android/router/media_router_dialog_controller_android.h"
 
 #include "base/android/context_utils.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "chrome/browser/media/android/router/media_router_android.h"
@@ skipping 115 matching lines @@
   MediaRouterAndroid* router = static_cast<MediaRouterAndroid*>(
       MediaRouterFactory::GetApiForBrowserContext(
           initiator()->GetBrowserContext()));
   const MediaRoute* matching_route = router->FindRouteBySource(source_id);
   if (matching_route) {
     ScopedJavaLocalRef<jstring> jmedia_route_id =
         base::android::ConvertUTF8ToJavaString(
             env, matching_route->media_route_id());
 
     Java_ChromeMediaRouterDialogController_openRouteControllerDialog(
-        env, java_dialog_controller_.obj(), jsource_urn.obj(),
-        jmedia_route_id.obj());
+        env, java_dialog_controller_, jsource_urn, jmedia_route_id);
     return;
   }
 
   Java_ChromeMediaRouterDialogController_openRouteChooserDialog(
-      env, java_dialog_controller_.obj(), jsource_urn.obj());
+      env, java_dialog_controller_, jsource_urn);
 }
 
 void MediaRouterDialogControllerAndroid::CloseMediaRouterDialog() {
   JNIEnv* env = base::android::AttachCurrentThread();
 
-  Java_ChromeMediaRouterDialogController_closeDialog(
-      env, java_dialog_controller_.obj());
+  Java_ChromeMediaRouterDialogController_closeDialog(env,
+                                                     java_dialog_controller_);
 }
 
 bool MediaRouterDialogControllerAndroid::IsShowingMediaRouterDialog() const {
   JNIEnv* env = base::android::AttachCurrentThread();
   return Java_ChromeMediaRouterDialogController_isShowingDialog(
-      env, java_dialog_controller_.obj());
+      env, java_dialog_controller_);
 }
 
 }  // namespace media_router