Remove kDisableDownloadNotification and stop compiling shelf code on

chrome/test/base/test_browser_window.h

Index: chrome/test/base/test_browser_window.h
diff --git a/chrome/test/base/test_browser_window.h b/chrome/test/base/test_browser_window.h
index c4261b20564a852af8768263265bc83e46c467d1..5c63cbb4e1e04b21924c233c23d3adcfafb6c91d 100644
--- a/chrome/test/base/test_browser_window.h
+++ b/chrome/test/base/test_browser_window.h
@@ -8,11 +8,14 @@
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "build/build_config.h"
-#include "chrome/browser/download/test_download_shelf.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/location_bar/location_bar.h"
 
+#if !defined(OS_CHROMEOS)
+#include "chrome/browser/download/test_download_shelf.h"
+#endif
+
 class LocationBarTesting;
 class OmniboxView;
 
@@ -180,7 +183,9 @@ class TestBrowserWindow : public BrowserWindow {
     DISALLOW_COPY_AND_ASSIGN(TestLocationBar);
   };
 
+#if !defined(OS_CHROMEOS)
   TestDownloadShelf download_shelf_;
+#endif
   TestLocationBar location_bar_;
 
   DISALLOW_COPY_AND_ASSIGN(TestBrowserWindow);