jni_generator: Pass object parameters as JavaParamRef.

chrome/browser/android/url_utilities.cc

 // Copyright 2013 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 "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "components/google/core/browser/google_util.h"
 #include "components/url_formatter/url_fixer.h"
 #include "jni/UrlUtilities_jni.h"
 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
@@ skipping 10 matching lines @@
 net::registry_controlled_domains::PrivateRegistryFilter GetRegistryFilter(
     jboolean include_private) {
   return include_private
       ? net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES
       : net::registry_controlled_domains::EXCLUDE_PRIVATE_REGISTRIES;
 }
 
 }  // namespace
 
 static jboolean SameDomainOrHost(JNIEnv* env,
-                                 jclass clazz,
-                                 jstring url_1_str,
-                                 jstring url_2_str,
+                                 const JavaParamRef<jclass>& clazz,
+                                 const JavaParamRef<jstring>& url_1_str,
+                                 const JavaParamRef<jstring>& url_2_str,
                                  jboolean include_private) {
   GURL url_1 = ConvertJavaStringToGURL(env, url_1_str);
   GURL url_2 = ConvertJavaStringToGURL(env, url_2_str);
 
   net::registry_controlled_domains::PrivateRegistryFilter filter =
       GetRegistryFilter(include_private);
 
   return net::registry_controlled_domains::SameDomainOrHost(url_1,
                                                             url_2,
                                                             filter);
 }
 
 static ScopedJavaLocalRef<jstring> GetDomainAndRegistry(
     JNIEnv* env,
-    jclass clazz,
-    jstring url,
+    const JavaParamRef<jclass>& clazz,
+    const JavaParamRef<jstring>& url,
     jboolean include_private) {
   DCHECK(url);
   GURL gurl = ConvertJavaStringToGURL(env, url);
   if (gurl.is_empty())
     return ScopedJavaLocalRef<jstring>();
 
   net::registry_controlled_domains::PrivateRegistryFilter filter =
       GetRegistryFilter(include_private);
 
   return base::android::ConvertUTF8ToJavaString(
       env,
       net::registry_controlled_domains::GetDomainAndRegistry(gurl, filter));
 }
 
-static jboolean IsGoogleSearchUrl(JNIEnv* env, jclass clazz, jstring url) {
+static jboolean IsGoogleSearchUrl(JNIEnv* env,
+                                  const JavaParamRef<jclass>& clazz,
+                                  const JavaParamRef<jstring>& url) {
   GURL gurl = ConvertJavaStringToGURL(env, url);
   if (gurl.is_empty())
     return false;
   return google_util::IsGoogleSearchUrl(gurl);
 }
 
-static jboolean IsGoogleHomePageUrl(JNIEnv* env, jclass clazz, jstring url) {
+static jboolean IsGoogleHomePageUrl(JNIEnv* env,
+                                    const JavaParamRef<jclass>& clazz,
+                                    const JavaParamRef<jstring>& url) {
   GURL gurl = ConvertJavaStringToGURL(env, url);
   if (gurl.is_empty())
     return false;
   return google_util::IsGoogleHomePageUrl(gurl);
 }
 
-static ScopedJavaLocalRef<jstring> FixupUrl(JNIEnv* env,
-                                            jclass clazz,
-                                            jstring url,
-                                            jstring optional_desired_tld) {
+static ScopedJavaLocalRef<jstring> FixupUrl(
+    JNIEnv* env,
+    const JavaParamRef<jclass>& clazz,
+    const JavaParamRef<jstring>& url,
+    const JavaParamRef<jstring>& optional_desired_tld) {
   DCHECK(url);
   GURL fixed_url = url_formatter::FixupURL(
       base::android::ConvertJavaStringToUTF8(env, url),
       optional_desired_tld
           ? base::android::ConvertJavaStringToUTF8(env, optional_desired_tld)
           : std::string());
 
   return fixed_url.is_valid()
              ? base::android::ConvertUTF8ToJavaString(env, fixed_url.spec())
              : ScopedJavaLocalRef<jstring>();
 }
 
 // Register native methods
 bool RegisterUrlUtilities(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }