Disable material design downloads UI from some tests.

chrome/browser/ui/find_bar/find_bar_host_browsertest.cc

Index: chrome/browser/ui/find_bar/find_bar_host_browsertest.cc
diff --git a/chrome/browser/ui/find_bar/find_bar_host_browsertest.cc b/chrome/browser/ui/find_bar/find_bar_host_browsertest.cc
index fa637deaa05f57beed47cb14a41e8cb0b7b5af83..590bcdd0035664275a193a97a23621b2107b380c 100644
--- a/chrome/browser/ui/find_bar/find_bar_host_browsertest.cc
+++ b/chrome/browser/ui/find_bar/find_bar_host_browsertest.cc
@@ -2,6 +2,7 @@
 // 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 "base/files/file_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_service.h"
@@ -24,6 +25,7 @@
 #include "chrome/browser/ui/find_bar/find_notification_details.h"
 #include "chrome/browser/ui/find_bar/find_tab_helper.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/find_in_page_observer.h"
 #include "chrome/test/base/in_process_browser_test.h"
@@ -83,6 +85,13 @@ class FindInPageControllerTest : public InProcessBrowserTest {
     chrome::DisableFindBarAnimationsDuringTesting(true);
   }
 
+  // Disable new downloads UI as it is very very slow. https://crbug.com/526577
+  // TODO(dbeam): remove this once the downloads UI is not slow.
+  void SetUpCommandLine(base::CommandLine* command_line) override {
+    InProcessBrowserTest::SetUpCommandLine(command_line);
+    command_line->AppendSwitch(switches::kDisableMaterialDesignDownloads);
+  }
+
  protected:
   bool GetFindBarWindowInfoForBrowser(
       Browser* browser, gfx::Point* position, bool* fully_visible) {