Revert of jni_generator: Make all object-returning natives return ScopedJavaLocalRef.

chrome/browser/android/tab_state.h

 // 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.
 
 #ifndef CHROME_BROWSER_ANDROID_TAB_STATE_H_
 #define CHROME_BROWSER_ANDROID_TAB_STATE_H_
 
 #include <jni.h>
 #include <vector>
 
@@ skipping 33 matching lines @@
                                   int size, int saved_state_version);
 
   // Restores a WebContents from the passed in state.
   static content::WebContents* RestoreContentsFromByteBuffer(
       void* data,
       int size,
       int saved_state_version,
       bool initially_hidden);
 
   // Restores a WebContents from the passed in state.
-  static base::android::ScopedJavaLocalRef<jobject>
-  RestoreContentsFromByteBuffer(JNIEnv* env,
-                                jclass clazz,
-                                jobject state,
-                                jint saved_state_version,
-                                jboolean initially_hidden);
+  static jobject RestoreContentsFromByteBuffer(
+      JNIEnv* env,
+      jclass clazz,
+      jobject state,
+      jint saved_state_version,
+      jboolean initially_hidden);
 
   // Synthesizes a stub, single-navigation state for a tab that will be loaded
   // lazily.
   static base::android::ScopedJavaLocalRef<jobject>
       CreateSingleNavigationStateAsByteBuffer(JNIEnv* env, jstring url,
                                               jstring referrer_url,
                                               jint referrer_policy,
                                               jboolean is_off_the_record);
 };
 
 // Registers methods for JNI.
 bool RegisterTabState(JNIEnv* env);
 
 #endif  // CHROME_BROWSER_ANDROID_TAB_STATE_H_