Disable RangeHistoryWebUITest.allView on Mac due to timeout.

chrome/test/data/webui/history_browsertest.js

 // 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.
 
 GEN('#include "chrome/test/data/webui/history_ui_browsertest.h"');
 
 /** @const */ var TOTAL_RESULT_COUNT = 160;
 /** @const */ var WAIT_TIMEOUT = 200;
 
 /**
@@ skipping 647 matching lines @@
 
   setUp: function() {
     // Show the filter controls as if the command line switch was active.
     $('top-container').hidden = true;
     $('history-page').classList.add('big-topbar-page');
     $('filter-controls').hidden = false;
     expectFalse($('filter-controls').hidden);
   },
 };
 
-TEST_F('RangeHistoryWebUITest', 'allView', function() {
+/**
+ * Disabled due to timeout on Mac http://crbug.com/377338
+ */
+GEN('#if defined(OS_MACOSX)');
+GEN('#define MAYBE_allView DISABLED_allView');
+GEN('#else');
+GEN('#define MAYBE_allView allView');
+GEN('#endif');
+TEST_F('RangeHistoryWebUITest', 'MAYBE_allView', function() {
   // Check that we start off in the all time view.
   expectTrue($('timeframe-filter-all').checked);
   // See if the correct number of days is shown.
   var dayHeaders = document.querySelectorAll('.day');
   assertEquals(Math.ceil(RESULTS_PER_PAGE / 4), dayHeaders.length);
   testDone();
 });
 
 /**
  * Checks whether the domains in a day are ordered decreasingly.
@@ skipping 249 matching lines @@
 TEST_F('HistoryWebUIWithSchemesTest', 'groupingWithSchemes', function() {
   // Switch to the week view.
   $('timeframe-filter-week').click();
   waitForCallback('historyResult', function() {
     // Each URL should be organized under a different "domain".
     expectEquals(document.querySelectorAll('.entry').length, 4);
     expectEquals(document.querySelectorAll('.site-domain-wrapper').length, 4);
     testDone();
   });
 });