jni_generator: Make all object-returning natives return ScopedJavaLocalRef.

android_webview/native/cookie_manager.cc

 // Copyright (c) 2011 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 "android_webview/native/cookie_manager.h"
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/aw_cookie_access_policy.h"
 #include "android_webview/browser/net/init_native_callback.h"
 #include "android_webview/browser/scoped_allow_wait_for_legacy_web_view_api.h"
@@ skipping 524 matching lines @@
 static void SetCookieSync(JNIEnv* env,
                       jobject obj,
                       jstring url,
                       jstring value) {
   GURL host(ConvertJavaStringToUTF16(env, url));
   std::string cookie_value(ConvertJavaStringToUTF8(env, value));
 
   CookieManager::GetInstance()->SetCookieSync(host, cookie_value);
 }
 
-static jstring GetCookie(JNIEnv* env, jobject obj, jstring url) {
+static ScopedJavaLocalRef<jstring> GetCookie(JNIEnv* env,
+                                             jobject obj,
+                                             jstring url) {
   GURL host(ConvertJavaStringToUTF16(env, url));
 
   return base::android::ConvertUTF8ToJavaString(
-      env,
-      CookieManager::GetInstance()->GetCookie(host)).Release();
+      env, CookieManager::GetInstance()->GetCookie(host));
 }
 
 static void RemoveSessionCookies(JNIEnv* env,
                                 jobject obj,
                                 jobject java_callback) {
   scoped_ptr<BoolCookieCallbackHolder> callback(
       new BoolCookieCallbackHolder(env, java_callback));
   CookieManager::GetInstance()->RemoveSessionCookies(callback.Pass());
 }
 
@@ skipping 35 matching lines @@
 scoped_refptr<net::CookieStore> CreateCookieStore(
     AwBrowserContext* browser_context) {
   return CookieManager::GetInstance()->GetCookieStore();
 }
 
 bool RegisterCookieManager(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // android_webview namespace