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

remoting/host/android/jni_host.cc

 // Copyright 2016 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 "remoting/host/android/jni_host.h"
 
 #include "base/android/jni_string.h"
 #include "base/command_line.h"
 #include "base/strings/string_util.h"
 #include "jni/Host_jni.h"
@@ skipping 90 matching lines @@
 }
 
 void JniHost::OnClientAuthenticated(const std::string& client_username) {
   HOST_LOG << "OnClientAuthenticated: " << client_username;
 }
 
 void JniHost::OnStoreAccessCode(const std::string& access_code,
                                 base::TimeDelta access_code_lifetime) {
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_Host_onAccessCodeReceived(
-      env, java_host_.obj(), ConvertUTF8ToJavaString(env, access_code).obj(),
+      env, java_host_, ConvertUTF8ToJavaString(env, access_code),
       static_cast<int>(access_code_lifetime.InSeconds()));
 }
 
 void JniHost::OnNatPolicyChanged(bool nat_traversal_enabled) {
   HOST_LOG << "OnNatPolicyChanged: " << nat_traversal_enabled;
 }
 
 void JniHost::OnStateChanged(It2MeHostState state,
                              const std::string& error_message) {
   if (state == kDisconnected) {
     it2me_host_ = nullptr;
   }
 
   JNIEnv* env = base::android::AttachCurrentThread();
-  Java_Host_onStateChanged(env, java_host_.obj(), state,
-                           ConvertUTF8ToJavaString(env, error_message).obj());
+  Java_Host_onStateChanged(env, java_host_, state,
+                           ConvertUTF8ToJavaString(env, error_message));
 }
 
 static jlong Init(JNIEnv* env, const JavaParamRef<jobject>& caller) {
   return reinterpret_cast<intptr_t>(new JniHost(env, caller));
 }
 
 }  // namespace remoting