jni_generator: Pass object parameters as JavaParamRef.

chrome/browser/android/find_in_page/find_in_page_bridge.cc

Index: chrome/browser/android/find_in_page/find_in_page_bridge.cc
diff --git a/chrome/browser/android/find_in_page/find_in_page_bridge.cc b/chrome/browser/android/find_in_page/find_in_page_bridge.cc
index 10d6422308210a0b82c77cc4ea16d928fa1111da..6488fbaa420068c969cb4dc470d01e7d2d29cd29 100644
--- a/chrome/browser/android/find_in_page/find_in_page_bridge.cc
+++ b/chrome/browser/android/find_in_page/find_in_page_bridge.cc
@@ -70,7 +70,9 @@ void FindInPageBridge::ActivateFindInPageResultForAccessibility(
 }
 
 // static
-static jlong Init(JNIEnv* env, jobject obj, jobject j_web_contents) {
+static jlong Init(JNIEnv* env,
+                  const JavaParamRef<jobject>& obj,
+                  const JavaParamRef<jobject>& j_web_contents) {
   FindInPageBridge* bridge = new FindInPageBridge(env, obj, j_web_contents);
   return reinterpret_cast<intptr_t>(bridge);
 }