Reland of Remove ScopedVector from all other codes in media/

media/midi/midi_device_android.cc

 // Copyright 2015 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 "media/midi/midi_device_android.h"
 
 #include <string>
 
 #include "base/android/jni_string.h"
+#include "base/memory/ptr_util.h"
 #include "jni/MidiDeviceAndroid_jni.h"
 #include "media/midi/midi_output_port_android.h"
 
 using base::android::ScopedJavaLocalRef;
 
 namespace midi {
 
 namespace {
 
 std::string ConvertMaybeJavaString(JNIEnv* env,
                                    const base::android::JavaRef<jstring>& str) {
   if (!str.obj())
     return std::string();
   return base::android::ConvertJavaStringToUTF8(str);
 }
 }
 
 MidiDeviceAndroid::MidiDeviceAndroid(JNIEnv* env,
                                      jobject raw_device,
                                      MidiInputPortAndroid::Delegate* delegate)
     : raw_device_(env, raw_device) {
   ScopedJavaLocalRef<jobjectArray> raw_input_ports =
       Java_MidiDeviceAndroid_getInputPorts(env, raw_device);
   jsize num_input_ports = env->GetArrayLength(raw_input_ports.obj());
 
   for (jsize i = 0; i < num_input_ports; ++i) {
     jobject port = env->GetObjectArrayElement(raw_input_ports.obj(), i);
-    input_ports_.push_back(new MidiInputPortAndroid(env, port, delegate));
+    input_ports_.push_back(
+        base::MakeUnique<MidiInputPortAndroid>(env, port, delegate));
   }
 
   ScopedJavaLocalRef<jobjectArray> raw_output_ports =
       Java_MidiDeviceAndroid_getOutputPorts(env, raw_device);
   jsize num_output_ports = env->GetArrayLength(raw_output_ports.obj());
   for (jsize i = 0; i < num_output_ports; ++i) {
     jobject port = env->GetObjectArrayElement(raw_output_ports.obj(), i);
-    output_ports_.push_back(new MidiOutputPortAndroid(env, port));
+    output_ports_.push_back(base::MakeUnique<MidiOutputPortAndroid>(env, port));
   }
 }
 
 MidiDeviceAndroid::~MidiDeviceAndroid() {}
 
 std::string MidiDeviceAndroid::GetManufacturer() {
   JNIEnv* env = base::android::AttachCurrentThread();
   return ConvertMaybeJavaString(
       env, Java_MidiDeviceAndroid_getManufacturer(env, raw_device_));
 }
 
 std::string MidiDeviceAndroid::GetProductName() {
   JNIEnv* env = base::android::AttachCurrentThread();
   return ConvertMaybeJavaString(
       env, Java_MidiDeviceAndroid_getProduct(env, raw_device_));
 }
 
 std::string MidiDeviceAndroid::GetDeviceVersion() {
   JNIEnv* env = base::android::AttachCurrentThread();
   return ConvertMaybeJavaString(
       env, Java_MidiDeviceAndroid_getVersion(env, raw_device_));
 }
 
 }  // namespace midi