jni_generator: Pass object parameters as JavaParamRef.

content/browser/gamepad/gamepad_platform_data_fetcher_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 "content/browser/gamepad/gamepad_platform_data_fetcher_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 45 matching lines @@
 
 void GamepadPlatformDataFetcherAndroid::PauseHint(bool paused) {
   JNIEnv* env = AttachCurrentThread();
   if (!env)
     return;
 
   Java_GamepadList_setGamepadAPIActive(env, !paused);
 }
 
 static void SetGamepadData(JNIEnv* env,
-                           jobject obj,
+                           const JavaParamRef<jobject>& obj,
                            jlong gamepads,
                            jint index,
                            jboolean mapping,
                            jboolean connected,
-                           jstring devicename,
+                           const JavaParamRef<jstring>& devicename,
                            jlong timestamp,
-                           jfloatArray jaxes,
-                           jfloatArray jbuttons) {
+                           const JavaParamRef<jfloatArray>& jaxes,
+                           const JavaParamRef<jfloatArray>& jbuttons) {
   DCHECK(gamepads);
   blink::WebGamepads* pads = reinterpret_cast<WebGamepads*>(gamepads);
   DCHECK_EQ(pads->length, unsigned(index));
   DCHECK_LT(index, static_cast<int>(blink::WebGamepads::itemsLengthCap));
 
   ++pads->length;
 
   blink::WebGamepad& pad = pads->items[index];
 
   pad.connected = connected;
@@ skipping 55 matching lines @@
                                static_cast<int>(WebGamepad::buttonsLengthCap));
 
   // Copy buttons state to the WebGamepad buttons[].
   for (unsigned int j = 0; j < pad.buttonsLength; j++) {
     pad.buttons[j].pressed = buttons[j];
     pad.buttons[j].value = buttons[j];
   }
 }
 
 }  // namespace content