Remove kDisableDownloadNotification and stop compiling shelf code on

chrome/browser/ui/exclusive_access/fullscreen_controller_state_unittest.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 "base/command_line.h"
 #include "build/build_config.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/exclusive_access/exclusive_access_context.h"
 #include "chrome/browser/ui/exclusive_access/fullscreen_controller.h"
@@ skipping 215 matching lines @@
 
 Profile* FullscreenControllerTestWindow::GetProfile() {
   return browser_->profile();
 }
 
 content::WebContents* FullscreenControllerTestWindow::GetActiveWebContents() {
   return browser_->tab_strip_model()->GetActiveWebContents();
 }
 
 void FullscreenControllerTestWindow::UnhideDownloadShelf() {
+#if !defined(OS_CHROMEOS)
   GetDownloadShelf()->Unhide();
+#endif
 }
 
 void FullscreenControllerTestWindow::HideDownloadShelf() {
+#if !defined(OS_CHROMEOS)
   GetDownloadShelf()->Hide();
+#endif
 }
 
 void FullscreenControllerTestWindow::UpdateExclusiveAccessExitBubbleContent(
     const GURL& url,
     ExclusiveAccessBubbleType bubble_type) {}
 
 void FullscreenControllerTestWindow::OnExclusiveAccessUserInput() {}
 
 // FullscreenControllerStateUnitTest -------------------------------------------
 
@@ skipping 634 matching lines @@
   EXPECT_FALSE(wc_delegate->IsFullscreenForTabOrPending(tab));
   EXPECT_FALSE(second_wc_delegate->IsFullscreenForTabOrPending(tab));
   EXPECT_FALSE(GetFullscreenController()->IsWindowFullscreenForTabOrPending());
   EXPECT_FALSE(second_browser->exclusive_access_manager()
                    ->fullscreen_controller()
                    ->IsWindowFullscreenForTabOrPending());
 
   // Required tear-down specific to this test.
   second_browser->tab_strip_model()->CloseAllTabs();
 }