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

components/gcm_driver/gcm_driver_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 "components/gcm_driver/gcm_driver_android.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/android/context_utils.h"
@@ skipping 20 matching lines @@
        recorder_(this) {
   JNIEnv* env = AttachCurrentThread();
   java_ref_.Reset(
       Java_GCMDriver_create(env,
                             reinterpret_cast<intptr_t>(this),
                             base::android::GetApplicationContext()));
 }
 
 GCMDriverAndroid::~GCMDriverAndroid() {
   JNIEnv* env = AttachCurrentThread();
-  Java_GCMDriver_destroy(env, java_ref_.obj());
+  Java_GCMDriver_destroy(env, java_ref_);
 }
 
 void GCMDriverAndroid::OnRegisterFinished(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj,
     const JavaParamRef<jstring>& j_app_id,
     const JavaParamRef<jstring>& j_registration_id,
     jboolean success) {
   std::string app_id = ConvertJavaStringToUTF8(env, j_app_id);
   std::string registration_id = ConvertJavaStringToUTF8(env, j_registration_id);
@@ skipping 174 matching lines @@
   return GCMClient::SUCCESS;
 }
 
 void GCMDriverAndroid::RegisterImpl(
     const std::string& app_id, const std::vector<std::string>& sender_ids) {
   DCHECK_EQ(1u, sender_ids.size());
   JNIEnv* env = AttachCurrentThread();
 
   recorder_.RecordRegistrationSent(app_id);
 
-  Java_GCMDriver_register(env, java_ref_.obj(),
-                          ConvertUTF8ToJavaString(env, app_id).obj(),
-                          ConvertUTF8ToJavaString(env, sender_ids[0]).obj());
+  Java_GCMDriver_register(env, java_ref_, ConvertUTF8ToJavaString(env, app_id),
+                          ConvertUTF8ToJavaString(env, sender_ids[0]));
 }
 
 void GCMDriverAndroid::UnregisterImpl(const std::string& app_id) {
   NOTREACHED();
 }
 
 void GCMDriverAndroid::UnregisterWithSenderIdImpl(
     const std::string& app_id,
     const std::string& sender_id) {
   JNIEnv* env = AttachCurrentThread();
 
   recorder_.RecordUnregistrationSent(app_id);
 
-  Java_GCMDriver_unregister(env, java_ref_.obj(),
-                            ConvertUTF8ToJavaString(env, app_id).obj(),
-                            ConvertUTF8ToJavaString(env, sender_id).obj());
+  Java_GCMDriver_unregister(env, java_ref_,
+                            ConvertUTF8ToJavaString(env, app_id),
+                            ConvertUTF8ToJavaString(env, sender_id));
 }
 
 void GCMDriverAndroid::SendImpl(const std::string& app_id,
                                 const std::string& receiver_id,
                                 const OutgoingMessage& message) {
   NOTIMPLEMENTED();
 }
 
 void GCMDriverAndroid::RecordDecryptionFailure(
     const std::string& app_id,
     GCMEncryptionProvider::DecryptionResult result) {
   recorder_.RecordDecryptionFailure(app_id, result);
 }
 
 }  // namespace gcm