Convert JsonWriter::Write to taking a const ref for the in-param

chrome/browser/chromeos/file_manager/file_manager_browsertest.cc

 // Copyright (c) 2013 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.
 
 // Browser test for basic Chrome OS file manager functionality:
 //  - The file list is updated when a file is added externally to the Downloads
 //    folder.
 //  - Selecting a file and copy-pasting it with the keyboard copies the file.
 //  - Selecting a file and pressing delete deletes it.
 
@@ skipping 656 matching lines @@
                                            const base::DictionaryValue& value,
                                            std::string* output) {
   if (name == "getTestName") {
     // Pass the test case name.
     *output = GetTestCaseNameParam();
     return;
   }
 
   if (name == "getRootPaths") {
     // Pass the root paths.
-    const scoped_ptr<base::DictionaryValue> res(new base::DictionaryValue());
-    res->SetString("downloads",
-        "/" + util::GetDownloadsMountPointName(profile()));
-    res->SetString("drive",
-        "/" + drive::util::GetDriveMountPointPath(profile()
-            ).BaseName().AsUTF8Unsafe() + "/root");
-    base::JSONWriter::Write(res.get(), output);
+    base::DictionaryValue res;
+    res.SetString("downloads",
+                  "/" + util::GetDownloadsMountPointName(profile()));
+    res.SetString("drive", "/" +
+                               drive::util::GetDriveMountPointPath(profile())
+                                   .BaseName()
+                                   .AsUTF8Unsafe() +
+                               "/root");
+    base::JSONWriter::Write(res, output);
     return;
   }
 
   if (name == "isInGuestMode") {
     // Obtain whether the test is in guest mode or not.
     *output = GetGuestModeParam() != NOT_IN_GUEST_MODE ? "true" : "false";
     return;
   }
 
   if (name == "getCwsWidgetContainerMockUrl") {
     // Obtain whether the test is in guest mode or not.
     const GURL url = embedded_test_server()->GetURL(
           "/chromeos/file_manager/cws_container_mock/index.html");
     std::string origin = url.GetOrigin().spec();
 
     // Removes trailing a slash.
     if (*origin.rbegin() == '/')
       origin.resize(origin.length() - 1);
 
-    const scoped_ptr<base::DictionaryValue> res(new base::DictionaryValue());
-    res->SetString("url", url.spec());
-    res->SetString("origin", origin);
-    base::JSONWriter::Write(res.get(), output);
+    base::DictionaryValue res;
+    res.SetString("url", url.spec());
+    res.SetString("origin", origin);
+    base::JSONWriter::Write(res, output);
     return;
   }
 
   if (name == "addEntries") {
     // Add entries to the specified volume.
     base::JSONValueConverter<AddEntriesMessage> add_entries_message_converter;
     AddEntriesMessage message;
     ASSERT_TRUE(add_entries_message_converter.Convert(value, &message));
 
     for (size_t i = 0; i < message.entries.size(); ++i) {
@@ skipping 848 matching lines @@
   StartTest();
 }
 
 IN_PROC_BROWSER_TEST_F(VideoPlayerBrowserTest, OpenSingleVideoOnDrive) {
   set_test_case_name("openSingleVideoOnDrive");
   StartTest();
 }
 
 }  // namespace
 }  // namespace file_manager