Remove now-unnecessary .obj() in Java method calls.

ui/base/resource/resource_bundle_android.cc

 // Copyright (c) 2012 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 "ui/base/resource/resource_bundle_android.h"
 
 #include "base/android/apk_assets.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/logging.h"
@@ skipping 144 matching lines @@
 int GetLocalePackFd(base::MemoryMappedFile::Region* out_region) {
   DCHECK_GE(g_locale_pack_fd, 0);
   *out_region = g_locale_pack_region;
   return g_locale_pack_fd;
 }
 
 std::string GetPathForAndroidLocalePakWithinApk(const std::string& locale) {
   JNIEnv* env = base::android::AttachCurrentThread();
   base::android::ScopedJavaLocalRef<jstring> ret =
       Java_ResourceBundle_getLocalePakResourcePath(
-          env, base::android::ConvertUTF8ToJavaString(env, locale).obj());
+          env, base::android::ConvertUTF8ToJavaString(env, locale));
   if (ret.obj() == nullptr) {
     return std::string();
   }
   return base::android::ConvertJavaStringToUTF8(env, ret.obj());
 }
 
 }  // namespace ui