Improve grammar in some comments.

chromeos/timezone/timezone_unittest.cc

 // Copyright 2014 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 <stddef.h>
 #include <utility>
 
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 261 matching lines @@
   EXPECT_EQ(
       "dstOffset=0.000000, rawOffset=0.000000, timeZoneId='', timeZoneName='', "
       "error_message='TimeZone provider at 'https://localhost/' : JSONReader "
       "failed: Line: 1, column: 1, Unexpected token..', status=6 "
       "(REQUEST_ERROR)",
       receiver.timezone()->ToStringForDebug());
   EXPECT_FALSE(receiver.server_error());
   EXPECT_GE(url_factory.attempts(), 2U);
   if (url_factory.attempts() > expected_retries + 1) {
     LOG(WARNING) << "TimeZoneTest::InvalidResponse: Too many attempts ("
-                 << url_factory.attempts() << "), no more then "
+                 << url_factory.attempts() << "), no more than "
                  << expected_retries + 1 << " expected.";
   }
   if (url_factory.attempts() < expected_retries - 1) {
     LOG(WARNING) << "TimeZoneTest::InvalidResponse: Too less attempts ("
-                 << url_factory.attempts() << "), greater then "
+                 << url_factory.attempts() << "), greater than "
                  << expected_retries - 1 << " expected.";
   }
 }
 
 TEST(TimeZoneResolverTest, CheckIntervals) {
   for (int requests_count = 1; requests_count < 10; ++requests_count) {
     EXPECT_EQ(requests_count,
               TimeZoneResolver::MaxRequestsCountForIntervalForTesting(
                   TimeZoneResolver::IntervalForNextRequestForTesting(
                       requests_count)));
   }
 }
 
 }  // namespace chromeos