[Downloads] Introduce GUIDs for downloads.

chrome/browser/download/download_ui_controller_unittest.cc

 // Copyright 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.
 
 #include "chrome/browser/download/download_ui_controller.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 188 matching lines @@
   download_service->set_download_history(std::move(download_history));
 }
 
 scoped_ptr<MockDownloadItem>
 DownloadUIControllerTest::CreateMockInProgressDownload() {
   scoped_ptr<MockDownloadItem> item(
       new testing::StrictMock<MockDownloadItem>());
   EXPECT_CALL(*item, GetBrowserContext())
       .WillRepeatedly(Return(browser_context()));
   EXPECT_CALL(*item, GetId()).WillRepeatedly(Return(1));
-  EXPECT_CALL(*item, GetTargetFilePath()).WillRepeatedly(
-      ReturnRefOfCopy(base::FilePath(FILE_PATH_LITERAL("foo"))));
+  EXPECT_CALL(*item, GetGuid())
+      .WillRepeatedly(
+          ReturnRefOfCopy(std::string("14CA04AF-ECEC-4B13-8829-817477EFAB83")));
+  EXPECT_CALL(*item, GetTargetFilePath())
+      .WillRepeatedly(
+          ReturnRefOfCopy(base::FilePath(FILE_PATH_LITERAL("foo"))));
   EXPECT_CALL(*item, GetFullPath()).WillRepeatedly(
       ReturnRefOfCopy(base::FilePath(FILE_PATH_LITERAL("foo"))));
   EXPECT_CALL(*item, GetState())
       .WillRepeatedly(Return(content::DownloadItem::IN_PROGRESS));
   EXPECT_CALL(*item, GetUrlChain())
       .WillRepeatedly(testing::ReturnRefOfCopy(std::vector<GURL>()));
   EXPECT_CALL(*item, GetReferrerUrl())
       .WillRepeatedly(testing::ReturnRefOfCopy(GURL()));
   EXPECT_CALL(*item, GetStartTime()).WillRepeatedly(Return(base::Time()));
   EXPECT_CALL(*item, GetEndTime()).WillRepeatedly(Return(base::Time()));
@@ skipping 123 matching lines @@
   // DownloadUIController. It should ignore the download since it's marked as
   // being restored from history.
   ASSERT_TRUE(manager_observer());
   manager_observer()->OnDownloadCreated(manager(), item.get());
 
   // Finally, the expectation we've been waiting for:
   EXPECT_FALSE(notified_item());
 }
 
 } // namespace