M101: Prevent multiple SelectFileDialog in BookmarksIOFunction

Similar to crrev.com/c/3546821

(cherry picked from commit 0a6b033)

Bug: 1309583
Change-Id: I61c852d2dc44720d4a47677a2725dc58c7b9627d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3577755
Auto-Submit: Luciano Pacheco <lucmult@chromium.org>
Reviewed-by: Ben Wells <benwells@chromium.org>
Commit-Queue: Ben Wells <benwells@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#991345}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3586522
Commit-Queue: Luciano Pacheco <lucmult@chromium.org>
Cr-Commit-Position: refs/branch-heads/4951@{#1058}
Cr-Branched-From: 27de622-refs/heads/main@{#982481}

chrome/browser/extensions/api/bookmarks/bookmarks_api.cc

@@ -723,6 +723,10 @@ void BookmarksIOFunction::ShowSelectFileDialog(
   if (!dispatcher())
     return;  // Extension was unloaded.
 
+  // Early return if the select file dialog is already active.
+  if (select_file_dialog_)
+    return;
+
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   // Balanced in one of the three callbacks of SelectFileDialog:
@@ -748,11 +752,13 @@ void BookmarksIOFunction::ShowSelectFileDialog(
 }
 
 void BookmarksIOFunction::FileSelectionCanceled(void* params) {
+  select_file_dialog_.reset();
   Release();  // Balanced in BookmarksIOFunction::SelectFile()
 }
 
 void BookmarksIOFunction::MultiFilesSelected(
     const std::vector<base::FilePath>& files, void* params) {
+  select_file_dialog_.reset();
   Release();  // Balanced in BookmarsIOFunction::SelectFile()
   NOTREACHED() << "Should not be able to select multiple files";
 }
@@ -784,6 +790,7 @@ void BookmarksImportFunction::FileSelected(const base::FilePath& path,
 
   importer::LogImporterUseToMetrics("BookmarksAPI",
                                     importer::TYPE_BOOKMARKS_FILE);
+  select_file_dialog_.reset();
   Release();  // Balanced in BookmarksIOFunction::SelectFile()
 }
 
@@ -810,6 +817,7 @@ void BookmarksExportFunction::FileSelected(const base::FilePath& path,
                                            int index,
                                            void* params) {
   bookmark_html_writer::WriteBookmarks(GetProfile(), path, nullptr);
+  select_file_dialog_.reset();
   Release();  // Balanced in BookmarksIOFunction::SelectFile()
 }