Switch to standard integer types in components/, part 2 of 4.

components/history/core/test/history_backend_db_base_test.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 "components/history/core/test/history_backend_db_base_test.h"
 
 #include "base/files/file_path.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
@@ skipping 98 matching lines @@
       ExecuteSQLScript(data_path, history_dir_.Append(kHistoryFilename)));
 }
 
 void HistoryBackendDBBaseTest::DeleteBackend() {
   if (backend_.get()) {
     backend_->Closing();
     backend_ = nullptr;
   }
 }
 
-bool HistoryBackendDBBaseTest::AddDownload(uint32 id,
+bool HistoryBackendDBBaseTest::AddDownload(uint32_t id,
                                            DownloadState state,
                                            base::Time time) {
   std::vector<GURL> url_chain;
   url_chain.push_back(GURL("foo-url"));
 
   DownloadRow download(base::FilePath(FILE_PATH_LITERAL("current-path")),
                        base::FilePath(FILE_PATH_LITERAL("target-path")),
                        url_chain,
                        GURL("http://referrer.com/"),
                        "application/vnd.oasis.opendocument.text",
                        "application/octet-stream",
                        time,
                        time,
                        std::string(),
                        std::string(),
                        0,
                        512,
                        state,
                        DownloadDangerType::NOT_DANGEROUS,
                        kTestDownloadInterruptReasonNone,
                        id,
                        false,
                        "by_ext_id",
                        "by_ext_name");
   return db_->CreateDownload(download);
 }
 
 }  // namespace history