Rewrite simple uses of base::ListValue::Append() taking a raw pointer var.

extensions/browser/api/serial/serial_apitest.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 <memory>
 #include <string>
 #include <utility>
 
 #include "base/macros.h"
 #include "chrome/browser/extensions/extension_apitest.h"
@@ skipping 13 matching lines @@
 using testing::_;
 using testing::Return;
 
 namespace extensions {
 namespace {
 
 class FakeSerialGetDevicesFunction : public AsyncExtensionFunction {
  public:
   bool RunAsync() override {
     std::unique_ptr<base::ListValue> devices(new base::ListValue());
-    base::DictionaryValue* device0 = new base::DictionaryValue();
+    std::unique_ptr<base::DictionaryValue> device0(new base::DictionaryValue());
     device0->SetString("path", "/dev/fakeserial");
-    base::DictionaryValue* device1 = new base::DictionaryValue();
+    std::unique_ptr<base::DictionaryValue> device1(new base::DictionaryValue());
     device1->SetString("path", "\\\\COM800\\");
-    devices->Append(device0);
-    devices->Append(device1);
+    devices->Append(std::move(device0));
+    devices->Append(std::move(device1));
     SetResult(std::move(devices));
     SendResponse(true);
     return true;
   }
 
  protected:
   ~FakeSerialGetDevicesFunction() override {}
 };
 
 class FakeSerialDeviceEnumerator : public device::SerialDeviceEnumerator {
@@ skipping 147 matching lines @@
 IN_PROC_BROWSER_TEST_P(SerialApiTest, SerialRealHardware) {
   ResultCatcher catcher;
   catcher.RestrictToBrowserContext(browser()->profile());
 
   ASSERT_TRUE(RunExtensionTest("serial/real_hardware")) << message_;
 }
 
 INSTANTIATE_TEST_CASE_P(SerialApiTest, SerialApiTest, testing::Bool());
 
 }  // namespace extensions