Removing base::ThreadRestrictions::ScopedAllowIO from icon_manager_linux.cc

chrome/browser/extensions/api/downloads/downloads_api.cc

 // Copyright (c) 2012 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/extensions/api/downloads/downloads_api.h"
 
 #include <algorithm>
 #include <cctype>
 #include <iterator>
 #include <set>
@@ skipping 1100 matching lines @@
   EXTENSION_FUNCTION_VALIDATE(params.get());
   DownloadItem* download_item = GetDownload(
       profile(), include_incognito(), params->download_id);
   content::WebContents* web_contents =
       dispatcher()->delegate()->GetAssociatedWebContents();
   if (!download_item || !web_contents) {
     error_ = download_extension_errors::kInvalidOperationError;
     return false;
   }
   RecordApiFunctions(DOWNLOADS_FUNCTION_DRAG);
-  gfx::Image* icon = g_browser_process->icon_manager()->LookupIcon(
+  gfx::Image* icon = g_browser_process->icon_manager()->LookupIconFromFilepath(
       download_item->GetUserVerifiedFilePath(), IconLoader::NORMAL);
   gfx::NativeView view = web_contents->GetView()->GetNativeView();
   {
     // Enable nested tasks during DnD, while |DragDownload()| blocks.
     MessageLoop::ScopedNestableTaskAllower allow(MessageLoop::current());
     download_util::DragDownload(download_item, icon, view);
   }
   return true;
 }
 
@@ skipping 312 matching lines @@
   DownloadsNotificationSource notification_source;
   notification_source.event_name = event_name;
   notification_source.profile = profile_;
   content::Source<DownloadsNotificationSource> content_source(
       &notification_source);
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_EXTENSION_DOWNLOADS_EVENT,
       content_source,
       content::Details<std::string>(&json_args));
 }