Continue to clean c_str() calls.

remoting/client/jni/jni_client.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/client/jni/jni_client.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/logging.h"
 #include "jni/Client_jni.h"
@@ skipping 160 matching lines @@
                            const base::android::JavaParamRef<jobject>& caller) {
   DisconnectFromHost();
 }
 
 void JniClient::AuthenticationResponse(
     JNIEnv* env,
     const JavaParamRef<jobject>& caller,
     const JavaParamRef<jstring>& pin,
     jboolean createPair,
     const JavaParamRef<jstring>& deviceName) {
-  session_->ProvideSecret(ConvertJavaStringToUTF8(env, pin).c_str(), createPair,
+  session_->ProvideSecret(ConvertJavaStringToUTF8(env, pin), createPair,
                           ConvertJavaStringToUTF8(env, deviceName));
 }
 
 void JniClient::SendMouseEvent(
     JNIEnv* env,
     const base::android::JavaParamRef<jobject>& caller,
     jint x,
     jint y,
     jint whichButton,
     jboolean buttonDown) {
@@ skipping 90 matching lines @@
 base::WeakPtr<JniClient> JniClient::GetWeakPtr() {
   return weak_ptr_;
 }
 
 static jlong Init(JNIEnv* env, const JavaParamRef<jobject>& caller) {
   return reinterpret_cast<intptr_t>(
       new JniClient(base::android::ScopedJavaGlobalRef<jobject>(env, caller)));
 }
 
 }  // namespace remoting