Linux: work around the fact that the download dialog has not been ported....

chrome/browser/tab_contents/tab_contents.cc

 // Copyright (c) 2009 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/tab_contents/tab_contents.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/file_version_info.h"
 #include "base/process_util.h"
@@ skipping 2274 matching lines @@
     return;  // The user clicked create on a separate page. Ignore this.
 
   pending_install_.callback_functor =
       new GearsCreateShortcutCallbackFunctor(this);
   GearsCreateShortcut(
       info, pending_install_.title, pending_install_.url, pending_install_.icon,
       NewCallback(pending_install_.callback_functor,
                   &GearsCreateShortcutCallbackFunctor::Run));
 }
 
-void TabContents::OnEnterOrSpace() {
-  // See comment in RenderViewHostDelegate::OnEnterOrSpace as to why we do this.
-#if defined(OS_WIN)
-  // TODO(port): this is stubbed in BrowserProcess
+void TabContents::OnUserGesture() {
+  // See comment in RenderViewHostDelegate::OnUserGesture as to why we do this.
+#if defined(OS_WIN) || defined(OS_LINUX)
   DownloadRequestManager* drm = g_browser_process->download_request_manager();
   if (drm)
     drm->OnUserGesture(this);
 #endif
 }
 
 void TabContents::OnFindReply(int request_id,
                               int number_of_matches,
                               const gfx::Rect& selection_rect,
                               int active_match_ordinal,
@@ skipping 129 matching lines @@
       NavigationController::LoadCommittedDetails& committed_details =
           *(Details<NavigationController::LoadCommittedDetails>(details).ptr());
       ExpireInfoBars(committed_details);
       break;
     }
 
     default:
       NOTREACHED();
   }
 }