Make cancel remove cancelled download from active queues at time of cancel.

chrome/browser/download/download_browsertest.cc

Index: chrome/browser/download/download_browsertest.cc
diff --git a/chrome/browser/download/download_browsertest.cc b/chrome/browser/download/download_browsertest.cc
index b779fdecb1466489337656f3ba4256202712c47e..75cf0670fe7d6db2eb6166a26076bd60135a31a3 100644
--- a/chrome/browser/download/download_browsertest.cc
+++ b/chrome/browser/download/download_browsertest.cc
@@ -58,6 +58,7 @@ const FilePath kLargeThemePath(FILE_PATH_LITERAL("extensions/theme2.crx"));
 enum DangerousDownloadAction {
   ON_DANGEROUS_DOWNLOAD_ACCEPT,  // Accept the download
   ON_DANGEROUS_DOWNLOAD_DENY,  // Deny the download
+  ON_DANGEROUS_DOWNLOAD_IGNORE,  // Don't do anything; calling code will handle.
   ON_DANGEROUS_DOWNLOAD_FAIL  // Fail if a dangerous download is seen
 };
 
@@ -73,7 +74,7 @@ void DenyDangerousDownload(scoped_refptr<DownloadManager> download_manager,
                            int32 download_id) {
   DownloadItem* download = download_manager->GetDownloadItem(download_id);
   ASSERT_TRUE(download->IsPartialDownload());
-  download->Cancel(true);
+  download->Cancel();
   download->Delete(DownloadItem::DELETE_DUE_TO_USER_DISCARD);
 }
 
@@ -92,8 +93,10 @@ void DenyDangerousDownload(scoped_refptr<DownloadManager> download_manager,
 class DownloadsObserver : public DownloadManager::Observer,
                           public DownloadItem::Observer {
  public:
+  typedef std::set<DownloadItem::DownloadState> StateSet;
+
   // Create an object that will be considered finished when |wait_count|
-  // download items have entered state |download_finished_state|.
+  // download items have entered any states in |download_finished_states|.
   // If |finish_on_select_file| is true, the object will also be
   // considered finished if the DownloadManager raises a
   // SelectFileDialogDisplayed() notification.
@@ -102,20 +105,21 @@ class DownloadsObserver : public DownloadManager::Observer,
   // to treat as completion events.
   DownloadsObserver(DownloadManager* download_manager,
                     size_t wait_count,
-                    DownloadItem::DownloadState download_finished_state,
+                    StateSet download_finished_states,
                     bool finish_on_select_file,
                     DangerousDownloadAction dangerous_download_action)
       : download_manager_(download_manager),
         wait_count_(wait_count),
         finished_downloads_at_construction_(0),
         waiting_(false),
-        download_finished_state_(download_finished_state),
+        download_finished_states_(download_finished_states),
         finish_on_select_file_(finish_on_select_file),
         select_file_dialog_seen_(false),
         dangerous_download_action_(dangerous_download_action) {
     download_manager_->AddObserver(this);  // Will call initial ModelChanged().
     finished_downloads_at_construction_ = finished_downloads_.size();
-    EXPECT_NE(DownloadItem::REMOVING, download_finished_state)
+    EXPECT_TRUE(download_finished_states.find(DownloadItem::REMOVING) ==
+                download_finished_states.end())
         << "Waiting for REMOVING is not supported.  Try COMPLETE.";
   }
 
@@ -194,12 +198,16 @@ class DownloadsObserver : public DownloadManager::Observer,
           ADD_FAILURE() << "Unexpected dangerous download item.";
           break;
 
+        case ON_DANGEROUS_DOWNLOAD_IGNORE:
+          break;
+
         default:
           NOTREACHED();
       }
     }
 
-    if (download->state() == download_finished_state_) {
+    if (download_finished_states_.find(download->state()) !=
+        download_finished_states_.end()) {
       DownloadInFinalState(download);
     }
   }
@@ -302,8 +310,8 @@ class DownloadsObserver : public DownloadManager::Observer,
   // all downloads completing.
   bool waiting_;
 
-  // The state on which to consider the DownloadItem finished.
-  DownloadItem::DownloadState download_finished_state_;
+  // The states on which to consider the DownloadItem finished.
+  StateSet download_finished_states_;
 
   // True if we should transition the DownloadsObserver to finished if
   // the select file dialog comes up.
@@ -622,6 +630,18 @@ class MockDownloadOpeningObserver : public DownloadManager::Observer {
   DISALLOW_COPY_AND_ASSIGN(MockDownloadOpeningObserver);
 };
 
+static const DownloadItem::DownloadState kTerminalStates[] = {
+  DownloadItem::CANCELLED,
+  DownloadItem::INTERRUPTED,
+  DownloadItem::COMPLETE,
+};
+
+static const DownloadItem::DownloadState kInProgressStates[] = {
+  DownloadItem::IN_PROGRESS,
+};
+
+// Not in anonymous namespace so that friend class from DownloadManager
+// can target it.
 class DownloadTest : public InProcessBrowserTest {
  public:
   enum SelectExpectation {
@@ -698,6 +718,12 @@ class DownloadTest : public InProcessBrowserTest {
     return true;
   }
 
+  // For tests that want to test system reaction to files
+  // going away underneath them.
+  void DeleteDownloadsDirectory() {
+    EXPECT_TRUE(downloads_directory_.Delete());
+  }
+
   DownloadPrefs* GetDownloadPrefs(Browser* browser) {
     return DownloadPrefs::FromDownloadManager(
         browser->profile()->GetDownloadManager());
@@ -714,12 +740,29 @@ class DownloadTest : public InProcessBrowserTest {
         browser->profile()->GetDownloadManager();
     return new DownloadsObserver(
         download_manager, num_downloads,
-        DownloadItem::COMPLETE,  // Really done
+        DownloadsObserver::StateSet(
+            kTerminalStates, kTerminalStates + arraysize(kTerminalStates)),
         true,                    // Bail on select file
         ON_DANGEROUS_DOWNLOAD_FAIL);
   }
 
   // Create a DownloadsObserver that will wait for the
+  // specified number of downloads to finish, and is
+  // ok with dangerous downloads.  Note that use of this
+  // waiter is conditional on accepting the dangerous download.
+  DownloadsObserver* CreateDangerousWaiter(
+      Browser* browser, int num_downloads) {
+    DownloadManager* download_manager =
+        browser->profile()->GetDownloadManager();
+    return new DownloadsObserver(
+        download_manager, num_downloads,
+        DownloadsObserver::StateSet(
+            kTerminalStates, kTerminalStates + arraysize(kTerminalStates)),
+        true,                   // Bail on select file
+        ON_DANGEROUS_DOWNLOAD_IGNORE);
+  }
+
+  // Create a DownloadsObserver that will wait for the
   // specified number of downloads to start.
   DownloadsObserver* CreateInProgressWaiter(Browser* browser,
                                             int num_downloads) {
@@ -727,9 +770,11 @@ class DownloadTest : public InProcessBrowserTest {
         browser->profile()->GetDownloadManager();
     return new DownloadsObserver(
         download_manager, num_downloads,
-        DownloadItem::IN_PROGRESS,      // Has started
+        DownloadsObserver::StateSet(
+            kInProgressStates,
+            kInProgressStates + arraysize(kInProgressStates)),
         true,                           // Bail on select file
-        ON_DANGEROUS_DOWNLOAD_FAIL);
+        ON_DANGEROUS_DOWNLOAD_IGNORE);
   }
 
   // Create a DownloadsObserver that will wait for the
@@ -740,11 +785,13 @@ class DownloadTest : public InProcessBrowserTest {
       int num_downloads,
       DownloadItem::DownloadState final_state,
       DangerousDownloadAction dangerous_download_action) {
+    DownloadsObserver::StateSet states;
+    states.insert(final_state);
     DownloadManager* download_manager =
         browser->profile()->GetDownloadManager();
     return new DownloadsObserver(
         download_manager, num_downloads,
-        final_state,
+        states,
         true,                         // Bail on select file
         dangerous_download_action);
   }
@@ -899,12 +946,22 @@ class DownloadTest : public InProcessBrowserTest {
     return true;
   }
 
-  void GetDownloads(Browser* browser, std::vector<DownloadItem*>* downloads) {
+  void GetPersistentDownloads(Browser* browser,
+                              std::vector<DownloadItem*>* downloads) {
     DCHECK(downloads);
+    downloads->clear();
     DownloadManager* manager = browser->profile()->GetDownloadManager();
     manager->SearchDownloads(string16(), downloads);
   }
 
+  void GetInProgressDownloads(Browser* browser,
+                              std::vector<DownloadItem*>* downloads) {
+    downloads->clear();
+    DCHECK(downloads);
+    DownloadManager* manager = browser->profile()->GetDownloadManager();
+    manager->GetInProgressDownloads(downloads);
+  }
+
   // Check that the download UI (shelf on non-chromeos or panel on chromeos)
   // is visible or not as expected. Additionally, check that the filename
   // is present in the UI (currently only on chromeos).
@@ -1027,7 +1084,8 @@ IN_PROC_BROWSER_TEST_F(DownloadTest, DownloadMimeTypeSelect) {
       new DownloadsObserver(
           browser()->profile()->GetDownloadManager(),
           1,
-          DownloadItem::COMPLETE,  // Really done
+          DownloadsObserver::StateSet(
+              kTerminalStates, kTerminalStates + arraysize(kTerminalStates)),
           false,                   // Continue on select file.
           ON_DANGEROUS_DOWNLOAD_FAIL));
   ui_test_utils::NavigateToURLWithDisposition(
@@ -1042,6 +1100,108 @@ IN_PROC_BROWSER_TEST_F(DownloadTest, DownloadMimeTypeSelect) {
   CheckDownloadUI(browser(), true, true, file);
 }
 
+// Put up a Select File dialog when the file is downloaded, due to
+// prompt_for_download==true argument to InitialSetup().
+// Confirm that we can cancel the download in that state.
+IN_PROC_BROWSER_TEST_F(DownloadTest, CancelFromFileSelection) {
+  ASSERT_TRUE(InitialSetup(true));
+  FilePath file(FILE_PATH_LITERAL("download-test1.lib"));
+  GURL url(URLRequestMockHTTPJob::GetMockUrl(file));
+
+  // Download the file and wait.  We expect the Select File dialog to appear.
+  DownloadAndWait(browser(), url, EXPECT_SELECT_DIALOG);
+
+  std::vector<DownloadItem*> active_downloads, history_downloads;
+  GetInProgressDownloads(browser(), &active_downloads);
+  ASSERT_EQ(1u, active_downloads.size());
+  EXPECT_EQ(DownloadItem::IN_PROGRESS, active_downloads[0]->state());
+  GetPersistentDownloads(browser(), &history_downloads);
+  EXPECT_EQ(0u, history_downloads.size());
+
+  // This should remove the download as it hasn't yet been entered into
+  // the history.
+  active_downloads[0]->Cancel();
+
+  GetInProgressDownloads(browser(), &active_downloads);
+  EXPECT_EQ(0u, active_downloads.size());
+  GetPersistentDownloads(browser(), &history_downloads);
+  EXPECT_EQ(0u, history_downloads.size());
+
+  // Check state.
+  EXPECT_EQ(1, browser()->tab_count());
+  // Since we exited while the Select File dialog was visible, there should not
+  // be anything in the download shelf and so it should not be visible.
+  CheckDownloadUI(browser(), false, false, FilePath());
+}
+
+// Put up a Select File dialog when the file is downloaded, due to
+// prompt_for_download==true argument to InitialSetup().
+// Confirm that we can remove the download in that state.
+IN_PROC_BROWSER_TEST_F(DownloadTest, RemoveFromFileSelection) {
+  ASSERT_TRUE(InitialSetup(true));
+  FilePath file(FILE_PATH_LITERAL("download-test1.lib"));
+  GURL url(URLRequestMockHTTPJob::GetMockUrl(file));
+
+  // Download the file and wait.  We expect the Select File dialog to appear.
+  DownloadAndWait(browser(), url, EXPECT_SELECT_DIALOG);
+
+  std::vector<DownloadItem*> active_downloads, history_downloads;
+  GetInProgressDownloads(browser(), &active_downloads);
+  ASSERT_EQ(1u, active_downloads.size());
+  EXPECT_EQ(DownloadItem::IN_PROGRESS, active_downloads[0]->state());
+  GetPersistentDownloads(browser(), &history_downloads);
+  EXPECT_EQ(0u, history_downloads.size());
+
+  // Confirm the file can be successfully removed from the select file
+  // dialog blocked state.
+  active_downloads[0]->Remove();
+
+  GetInProgressDownloads(browser(), &active_downloads);
+  EXPECT_EQ(0u, active_downloads.size());
+  GetPersistentDownloads(browser(), &history_downloads);
+  EXPECT_EQ(0u, history_downloads.size());
+
+  EXPECT_EQ(1, browser()->tab_count());
+  // Since we exited while the Select File dialog was visible, there should not
+  // be anything in the download shelf and so it should not be visible.
+  CheckDownloadUI(browser(), false, false, FilePath());
+}
+
+// Put up a Select File dialog when the file is downloaded, due to
+// prompt_for_download==true argument to InitialSetup().
+// Confirm that an error coming in from the network works properly
+// when in that state.
+IN_PROC_BROWSER_TEST_F(DownloadTest, InterruptFromFileSelection) {
+  ASSERT_TRUE(InitialSetup(true));
+  GURL url(URLRequestSlowDownloadJob::kKnownSizeUrl);
+
+  // Download the file and wait.  We expect the Select File dialog to appear.
+  DownloadAndWait(browser(), url, EXPECT_SELECT_DIALOG);
+
+  std::vector<DownloadItem*> active_downloads, history_downloads;
+  GetInProgressDownloads(browser(), &active_downloads);
+  ASSERT_EQ(1u, active_downloads.size());
+  EXPECT_EQ(DownloadItem::IN_PROGRESS, active_downloads[0]->state());
+  GetPersistentDownloads(browser(), &history_downloads);
+  EXPECT_EQ(0u, history_downloads.size());
+
+  // Complete the download with error.
+  GURL error_url(URLRequestSlowDownloadJob::kErrorFinishDownloadUrl);
+  ui_test_utils::NavigateToURL(browser(), error_url);
+  MessageLoopForUI::current()->RunAllPending();
+
+  // Confirm that a download error before entry into history
+  // deletes the download.
+  GetInProgressDownloads(browser(), &active_downloads);
+  EXPECT_EQ(0u, active_downloads.size());
+  GetPersistentDownloads(browser(), &history_downloads);
+  EXPECT_EQ(0u, history_downloads.size());
+
+  // Since we exited while the Select File dialog was visible, there should not
+  // be anything in the download shelf and so it should not be visible.
+  CheckDownloadUI(browser(), false, false, FilePath());
+}
+
 // Access a file with a viewable mime-type, verify that a download
 // did not initiate.
 IN_PROC_BROWSER_TEST_F(DownloadTest, NoDownload) {
@@ -1470,8 +1630,7 @@ IN_PROC_BROWSER_TEST_F(DownloadTest, DownloadCancelled) {
   observer->WaitForFinished();
 
   std::vector<DownloadItem*> downloads;
-  browser()->profile()->GetDownloadManager()->SearchDownloads(
-      string16(), &downloads);
+  GetPersistentDownloads(browser(), &downloads);
   ASSERT_EQ(1u, downloads.size());
   ASSERT_EQ(DownloadItem::IN_PROGRESS, downloads[0]->state());
   CheckDownloadUI(browser(), true, true, FilePath());
@@ -1494,6 +1653,182 @@ IN_PROC_BROWSER_TEST_F(DownloadTest, DownloadCancelled) {
   CheckDownloadUI(browser(), false, true, FilePath());
 }
 
+// Do a dangerous download and confirm that the download does
+// not complete until user accept, and that all states are
+// correct along the way.
+IN_PROC_BROWSER_TEST_F(DownloadTest, DownloadDangerous) {
+  ASSERT_TRUE(InitialSetup(false));
+  FilePath file(FILE_PATH_LITERAL("download-dangerous.jar"));
+  GURL url(URLRequestMockHTTPJob::GetMockUrl(file));
+
+  EXPECT_EQ(1, browser()->tab_count());
+
+  scoped_ptr<DownloadsObserver> observer(
+      CreateInProgressWaiter(browser(), 1));
+  ui_test_utils::NavigateToURL(browser(), url);
+  observer->WaitForFinished();
+
+  // We should have one download, in history, and it should
+  // still be dangerous.
+  std::vector<DownloadItem*> downloads;
+  GetPersistentDownloads(browser(), &downloads);
+  ASSERT_EQ(1u, downloads.size());
+  DownloadItem* download = downloads[0];
+  EXPECT_EQ(DownloadItem::IN_PROGRESS, download->state());
+  EXPECT_EQ(DownloadItem::DANGEROUS, download->safety_state());
+  EXPECT_EQ(DownloadItem::DANGEROUS_FILE, download->GetDangerType());
+  // In ChromeOS, popup will be up, but file name will be unrecognizable.
+  CheckDownloadUI(browser(), true, true, FilePath());
+
+  // See if accepting completes the download and changes the safety
+  // state.
+  scoped_ptr<DownloadsObserver> completion_observer(
+      CreateDangerousWaiter(browser(), 1));
+  AcceptDangerousDownload(browser()->profile()->GetDownloadManager(),
+                          download->id());
+  completion_observer->WaitForFinished();
+
+  GetPersistentDownloads(browser(), &downloads);
+  ASSERT_EQ(1u, downloads.size());
+  ASSERT_EQ(downloads[0], download);
+  EXPECT_EQ(DownloadItem::COMPLETE, download->state());
+  EXPECT_EQ(DownloadItem::DANGEROUS_BUT_VALIDATED, download->safety_state());
+  CheckDownloadUI(browser(), true, true, file);
+}
+
+// Confirm that a dangerous download that gets a file error before
+// completion ends in the right state (currently cancelled because file
+// errors are non-resumable).  Note that this is really testing
+// to make sure errors from the final rename are propagated properly.
+IN_PROC_BROWSER_TEST_F(DownloadTest, DownloadDangerousFileError) {
+  ASSERT_TRUE(InitialSetup(false));
+  FilePath file(FILE_PATH_LITERAL("download-dangerous.jar"));
+  GURL url(URLRequestMockHTTPJob::GetMockUrl(file));
+
+  EXPECT_EQ(1, browser()->tab_count());
+
+  scoped_ptr<DownloadsObserver> observer(
+      CreateInProgressWaiter(browser(), 1));
+  ui_test_utils::NavigateToURL(browser(), url);
+  observer->WaitForFinished();
+
+  // We should have one download, in history, and it should
+  // still be dangerous.
+  std::vector<DownloadItem*> downloads;
+  GetPersistentDownloads(browser(), &downloads);
+  ASSERT_EQ(1u, downloads.size());
+  DownloadItem* download = downloads[0];
+  EXPECT_EQ(DownloadItem::IN_PROGRESS, download->state());
+  EXPECT_EQ(DownloadItem::DANGEROUS, download->safety_state());
+  EXPECT_EQ(DownloadItem::DANGEROUS_FILE, download->GetDangerType());
+  // In ChromeOS, popup will be up, but file name will be unrecognizable.
+  CheckDownloadUI(browser(), true, true, FilePath());
+
+  // Accept it after nuking the directory into which it's being downloaded;
+  // that should complete the download with an error.
+  DeleteDownloadsDirectory();
+  scoped_ptr<DownloadsObserver> completion_observer(
+      CreateDangerousWaiter(browser(), 1));
+  AcceptDangerousDownload(browser()->profile()->GetDownloadManager(),
+                          download->id());
+  completion_observer->WaitForFinished();
+
+  GetPersistentDownloads(browser(), &downloads);
+  ASSERT_EQ(1u, downloads.size());
+  ASSERT_EQ(downloads[0], download);
+  EXPECT_EQ(DownloadItem::INTERRUPTED, download->state());
+  EXPECT_EQ(DownloadItem::DANGEROUS_BUT_VALIDATED, download->safety_state());
+  // In ChromeOS, popup will still be up, but the file will have been
+  // deleted.
+  CheckDownloadUI(browser(), true, true, FilePath());
+}
+
+// Confirm that declining a dangerous download erases it from living memory.
+IN_PROC_BROWSER_TEST_F(DownloadTest, DownloadDangerousDecline) {
+  ASSERT_TRUE(InitialSetup(false));
+  FilePath file(FILE_PATH_LITERAL("download-dangerous.jar"));
+  GURL url(URLRequestMockHTTPJob::GetMockUrl(file));
+
+  EXPECT_EQ(1, browser()->tab_count());
+
+  scoped_ptr<DownloadsObserver> observer(
+      CreateInProgressWaiter(browser(), 1));
+  ui_test_utils::NavigateToURL(browser(), url);
+  observer->WaitForFinished();
+
+  // We should have one download, in history, and it should
+  // still be dangerous.
+  std::vector<DownloadItem*> downloads;
+  GetPersistentDownloads(browser(), &downloads);
+  ASSERT_EQ(1u, downloads.size());
+  DownloadItem* download = downloads[0];
+  EXPECT_EQ(DownloadItem::IN_PROGRESS, download->state());
+  EXPECT_EQ(DownloadItem::DANGEROUS, download->safety_state());
+  EXPECT_EQ(DownloadItem::DANGEROUS_FILE, download->GetDangerType());
+  CheckDownloadUI(browser(), true, true, FilePath());
+
+  DenyDangerousDownload(browser()->profile()->GetDownloadManager(),
+                        download->id());
+
+  GetPersistentDownloads(browser(), &downloads);
+  ASSERT_EQ(0u, downloads.size());
+  CheckDownloadUI(browser(), false, true, FilePath());
+}
+
+// Fail a download with a network error partway through, and make sure the
+// state is INTERRUPTED and the error is propagated.
+IN_PROC_BROWSER_TEST_F(DownloadTest, DownloadInterrupted) {
+  ASSERT_TRUE(InitialSetup(false));
+  GURL url(URLRequestSlowDownloadJob::kKnownSizeUrl);
+
+  scoped_ptr<DownloadsObserver> observer(
+      CreateInProgressWaiter(browser(), 1));
+  ui_test_utils::NavigateToURL(browser(), url);
+  observer->WaitForFinished();
+
+  std::vector<DownloadItem*> downloads;
+  GetPersistentDownloads(browser(), &downloads);
+  ASSERT_EQ(1u, downloads.size());
+  ASSERT_EQ(DownloadItem::IN_PROGRESS, downloads[0]->state());
+  FilePath filename;
+  net::FileURLToFilePath(url, &filename);
+  CheckDownloadUI(browser(), true, true,
+                  download_util::GetCrDownloadPath(filename.BaseName()));
+
+  // Fail the download
+  GURL error_url(URLRequestSlowDownloadJob::kErrorFinishDownloadUrl);
+  ui_test_utils::NavigateToURL(browser(), error_url);
+  MessageLoopForUI::current()->RunAllPending();
+
+  // Should still be visible, with INTERRUPTED state.
+  GetPersistentDownloads(browser(), &downloads);
+  ASSERT_EQ(1u, downloads.size());
+  DownloadItem* download = downloads[0];
+  ASSERT_EQ(DownloadItem::INTERRUPTED, download->state());
+  // TODO(rdsmith): Confirm error provided by URLRequest is shown
+  // in DownloadItem.
+  CheckDownloadUI(browser(), true, true, FilePath());
+
+  // Confirm cancel does nothing.
+  download->Cancel();
+  MessageLoopForUI::current()->RunAllPending();
+
+  GetPersistentDownloads(browser(), &downloads);
+  ASSERT_EQ(1u, downloads.size());
+  ASSERT_EQ(download, downloads[0]);
+  ASSERT_EQ(DownloadItem::INTERRUPTED, download->state());
+  CheckDownloadUI(browser(), true, true, FilePath());
+
+  // Confirm remove gets rid of it.
+  download->Remove();
+  download = NULL;
+  MessageLoopForUI::current()->RunAllPending();
+
+  GetPersistentDownloads(browser(), &downloads);
+  ASSERT_EQ(0u, downloads.size());
+  CheckDownloadUI(browser(), false, true, FilePath());
+}
+
 // Confirm a download makes it into the history properly.
 IN_PROC_BROWSER_TEST_F(DownloadTest, DownloadHistoryCheck) {
   ASSERT_TRUE(InitialSetup(false));
@@ -1508,7 +1843,7 @@ IN_PROC_BROWSER_TEST_F(DownloadTest, DownloadHistoryCheck) {
 
   // Get details of what downloads have just happened.
   std::vector<DownloadItem*> downloads;
-  GetDownloads(browser(), &downloads);
+  GetPersistentDownloads(browser(), &downloads);
   ASSERT_EQ(1u, downloads.size());
   int64 db_handle = downloads[0]->db_handle();
 
@@ -1622,8 +1957,7 @@ IN_PROC_BROWSER_TEST_F(DownloadTest, AutoOpen) {
 
   // Find the download and confirm it was opened.
   std::vector<DownloadItem*> downloads;
-  browser()->profile()->GetDownloadManager()->SearchDownloads(
-      string16(), &downloads);
+  GetPersistentDownloads(browser(), &downloads);
   ASSERT_EQ(1u, downloads.size());
   EXPECT_EQ(DownloadItem::COMPLETE, downloads[0]->state());
   EXPECT_TRUE(downloads[0]->opened());