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

components/dom_distiller/core/distilled_page_prefs_android.cc

 // Copyright 2014 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 "components/dom_distiller/core/distilled_page_prefs_android.h"
 
 #include "components/dom_distiller/core/distilled_page_prefs.h"
 #include "components/dom_distiller/core/dom_distiller_service.h"
 #include "jni/DistilledPagePrefs_jni.h"
 
@@ skipping 91 matching lines @@
 void DistilledPagePrefsObserverAndroid::DestroyObserverAndroid(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj) {
   delete this;
 }
 
 void DistilledPagePrefsObserverAndroid::OnChangeFontFamily(
     DistilledPagePrefs::FontFamily new_font_family) {
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_DistilledPagePrefsObserverWrapper_onChangeFontFamily(
-      env, java_ref_.obj(), (int)new_font_family);
+      env, java_ref_, (int)new_font_family);
 }
 
 void DistilledPagePrefsObserverAndroid::OnChangeTheme(
     DistilledPagePrefs::Theme new_theme) {
   JNIEnv* env = base::android::AttachCurrentThread();
-  Java_DistilledPagePrefsObserverWrapper_onChangeTheme(
-      env, java_ref_.obj(), (int)new_theme);
+  Java_DistilledPagePrefsObserverWrapper_onChangeTheme(env, java_ref_,
+                                                       (int)new_theme);
 }
 
 void DistilledPagePrefsObserverAndroid::OnChangeFontScaling(
     float scaling) {
   JNIEnv* env = base::android::AttachCurrentThread();
-  Java_DistilledPagePrefsObserverWrapper_onChangeFontScaling(
-      env, java_ref_.obj(), scaling);
+  Java_DistilledPagePrefsObserverWrapper_onChangeFontScaling(env, java_ref_,
+                                                             scaling);
 }
 
 jlong InitObserverAndroid(JNIEnv* env, const JavaParamRef<jobject>& obj) {
   DistilledPagePrefsObserverAndroid* observer_android =
       new DistilledPagePrefsObserverAndroid(env, obj);
   return reinterpret_cast<intptr_t>(observer_android);
 }
 
 }  // namespace android
 
 }  // namespace dom_distiller