jni: Pass method parameters as JavaParamRef in chrome/browser/ui.

chrome/browser/ui/android/toolbar/toolbar_model_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 "chrome/browser/ui/android/toolbar/toolbar_model_android.h"
 
 #include "base/android/jni_string.h"
 #include "base/metrics/field_trial.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/search_engines/ui_thread_search_terms_data.h"
 #include "chrome/browser/ui/toolbar/toolbar_model_impl.h"
 #include "content/public/browser/cert_store.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/ssl_status.h"
 #include "jni/ToolbarModel_jni.h"
 #include "net/cert/x509_certificate.h"
 
 using base::android::ScopedJavaLocalRef;
 
 ToolbarModelAndroid::ToolbarModelAndroid(JNIEnv* env, jobject jdelegate)
     : toolbar_model_(new ToolbarModelImpl(this)),
       weak_java_delegate_(env, jdelegate) {
 }
 
 ToolbarModelAndroid::~ToolbarModelAndroid() {
 }
 
-void ToolbarModelAndroid::Destroy(JNIEnv* env, jobject obj) {
+void ToolbarModelAndroid::Destroy(JNIEnv* env,
+                                  const JavaParamRef<jobject>& obj) {
   delete this;
 }
 
-ScopedJavaLocalRef<jstring> ToolbarModelAndroid::GetText(JNIEnv* env,
-                                                         jobject obj) {
+ScopedJavaLocalRef<jstring> ToolbarModelAndroid::GetText(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) {
   return base::android::ConvertUTF16ToJavaString(env,
                                                  toolbar_model_->GetText());
 }
 
 ScopedJavaLocalRef<jstring> ToolbarModelAndroid::GetCorpusChipText(
     JNIEnv* env,
-    jobject obj) {
+    const JavaParamRef<jobject>& obj) {
   return base::android::ConvertUTF16ToJavaString(
       env,
       toolbar_model_->GetCorpusNameForMobile());
 }
 
-jboolean ToolbarModelAndroid::WouldReplaceURL(JNIEnv* env, jobject obj) {
+jboolean ToolbarModelAndroid::WouldReplaceURL(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) {
   return toolbar_model_->WouldReplaceURL();
 }
 
 content::WebContents* ToolbarModelAndroid::GetActiveWebContents() const {
   JNIEnv* env = base::android::AttachCurrentThread();
   ScopedJavaLocalRef<jobject> jdelegate = weak_java_delegate_.get(env);
   if (!jdelegate.obj())
     return NULL;
   ScopedJavaLocalRef<jobject> jweb_contents =
       Java_ToolbarModelDelegate_getActiveWebContents(env, jdelegate.obj());
   return content::WebContents::FromJavaWebContents(jweb_contents.obj());
 }
 
 // static
 bool ToolbarModelAndroid::RegisterToolbarModelAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 // static
 jlong Init(JNIEnv* env,
            const JavaParamRef<jobject>& obj,
            const JavaParamRef<jobject>& delegate) {
   ToolbarModelAndroid* toolbar_model = new ToolbarModelAndroid(env, delegate);
   return reinterpret_cast<intptr_t>(toolbar_model);
 }