contrib/functionality/clear-downloads-button.patch

## Replaces the Show all downloads button in the download bar with a button that clears all downloads

--- a/chrome/browser/download/download_shelf.cc
+++ b/chrome/browser/download/download_shelf.cc
@@ -151,3 +151,8 @@ void DownloadShelf::OnGetDownloadDoneFor
     ShowDownload(OfflineItemModel::Wrap(manager, item.value()));
   }
 }
+
+void DownloadShelf::Clear() {
+  auto* const manager = profile()->GetDownloadManager();
+  if (manager) manager->RemoveDownloadsByURLAndTime(base::BindRepeating([](const GURL&) { return true; }), base::Time(), base::Time());
+}
--- a/chrome/browser/download/download_shelf.h
+++ b/chrome/browser/download/download_shelf.h
@@ -69,6 +69,8 @@ class DownloadShelf {
   virtual views::View* GetView() = 0;
   bool is_hidden() const { return is_hidden_; }
 
+  void Clear();
+
  protected:
   virtual void DoShowDownload(DownloadUIModel::DownloadUIModelPtr download) = 0;
   virtual void DoOpen() = 0;
--- a/chrome/browser/ui/views/download/download_shelf_view.cc
+++ b/chrome/browser/ui/views/download/download_shelf_view.cc
@@ -78,8 +78,8 @@ DownloadShelfView::DownloadShelfView(Bro
   SetVisible(false);
 
   show_all_view_ = AddChildView(std::make_unique<views::MdTextButton>(
-      base::BindRepeating(&chrome::ShowDownloads, browser),
-      l10n_util::GetStringUTF16(IDS_SHOW_ALL_DOWNLOADS)));
+      base::BindRepeating(&DownloadShelf::Clear, base::Unretained(this)),
+      l10n_util::GetStringUTF16(IDS_DOWNLOAD_LINK_CLEAR_ALL)));
   show_all_view_->SizeToPreferredSize();
 
   close_button_ = AddChildView(views::CreateVectorImageButton(