Don't animate the download shelf when entering/exiting fullscreen.

chrome/browser/download/download_shelf.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.
 
 #define _USE_MATH_DEFINES  // For VC++ to get M_PI. This has to be first.
 
 #include "chrome/browser/download/download_shelf.h"
 
 #include <cmath>
 
@@ skipping 131 matching lines @@
     base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
         FROM_HERE,
         base::Bind(&DownloadShelf::ShowDownloadById,
                    weak_ptr_factory_.GetWeakPtr(), download->GetId()),
         GetTransientDownloadShowDelay());
   } else {
     ShowDownload(download);
   }
 }
 
-void DownloadShelf::Show() {
+void DownloadShelf::Open() {
   if (is_hidden_) {
     should_show_on_unhide_ = true;
     return;
   }
-  DoShow();
+  DoOpen();
 }
 
 void DownloadShelf::Close(CloseReason reason) {
   if (is_hidden_) {
     should_show_on_unhide_ = false;
     return;
   }
   DoClose(reason);
 }
 
 void DownloadShelf::Hide() {
   if (is_hidden_)
     return;
   is_hidden_ = true;
   if (IsShowing()) {
     should_show_on_unhide_ = true;
-    DoClose(AUTOMATIC);
+    DoHide();
   }
 }
 
 void DownloadShelf::Unhide() {
   if (!is_hidden_)
     return;
   is_hidden_ = false;
   if (should_show_on_unhide_) {
     should_show_on_unhide_ = false;
-    DoShow();
+    DoUnhide();
   }
 }
 
 base::TimeDelta DownloadShelf::GetTransientDownloadShowDelay() {
   return base::TimeDelta::FromSeconds(kDownloadShowDelayInSeconds);
 }
 
 content::DownloadManager* DownloadShelf::GetDownloadManager() {
   return content::BrowserContext::GetDownloadManager(browser()->profile());
 }
 
 void DownloadShelf::ShowDownload(DownloadItem* download) {
   if (download->GetState() == DownloadItem::COMPLETE &&
       DownloadItemModel(download).ShouldRemoveFromShelfWhenComplete())
     return;
   if (!DownloadServiceFactory::GetForBrowserContext(
         download->GetBrowserContext())->IsShelfEnabled())
     return;
 
   if (is_hidden_)
     Unhide();
-  Show();
+  Open();
   DoAddDownload(download);
 
   // browser() can be NULL for tests.
   if (!browser())
     return;
 
   // Show the download started animation if:
   // - Download started animation is enabled for this download. It is disabled
   //   for "Save As" downloads and extension installs, for example.
   // - The browser has an active visible WebContents. (browser isn't minimized,
@@ skipping 13 matching lines @@
   content::DownloadManager* download_manager = GetDownloadManager();
   if (!download_manager)
     return;
 
   DownloadItem* download = download_manager->GetDownload(download_id);
   if (!download)
     return;
 
   ShowDownload(download);
 }