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

chrome/browser/ui/android/autofill/autofill_popup_view_android.h

Index: chrome/browser/ui/android/autofill/autofill_popup_view_android.h
diff --git a/chrome/browser/ui/android/autofill/autofill_popup_view_android.h b/chrome/browser/ui/android/autofill/autofill_popup_view_android.h
index 10f6acd81305e4ee1e95fedf8531ec2ed8af197e..db8aff58342fdddfe84e841835fc9b34620005c7 100644
--- a/chrome/browser/ui/android/autofill/autofill_popup_view_android.h
+++ b/chrome/browser/ui/android/autofill/autofill_popup_view_android.h
@@ -27,13 +27,19 @@ class AutofillPopupViewAndroid : public AutofillPopupView {
   // Methods called from Java via JNI
   // --------------------------------------------------------------------------
   // Called when an autofill item was selected.
-  void SuggestionSelected(JNIEnv* env, jobject obj, jint list_index);
+  void SuggestionSelected(JNIEnv* env,
+                          const base::android::JavaParamRef<jobject>& obj,
+                          jint list_index);
 
-  void DeletionRequested(JNIEnv* env, jobject obj, jint list_index);
+  void DeletionRequested(JNIEnv* env,
+                         const base::android::JavaParamRef<jobject>& obj,
+                         jint list_index);
 
-  void DeletionConfirmed(JNIEnv* env, jobject obj);
+  void DeletionConfirmed(JNIEnv* env,
+                         const base::android::JavaParamRef<jobject>& obj);
 
-  void PopupDismissed(JNIEnv* env, jobject obj);
+  void PopupDismissed(JNIEnv* env,
+                      const base::android::JavaParamRef<jobject>& obj);
 
   static bool RegisterAutofillPopupViewAndroid(JNIEnv* env);