Update base::StartsWith calls to new form

chrome/browser/metrics/variations/variations_service_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 "chrome/browser/metrics/variations/variations_service.h"
 
 #include <vector>
 
 #include "base/base64.h"
 #include "base/prefs/testing_pref_service.h"
@@ skipping 225 matching lines @@
 };
 
 TEST_F(VariationsServiceTest, GetVariationsServerURL) {
   TestVariationsPrefsStore prefs_store;
   PrefService* prefs = prefs_store.prefs();
   const std::string default_variations_url =
       VariationsService::GetDefaultVariationsServerURLForTesting();
 
   std::string value;
   GURL url = VariationsService::GetVariationsServerURL(prefs, std::string());
-  EXPECT_TRUE(base::StartsWithASCII(url.spec(), default_variations_url, true));
+  EXPECT_TRUE(base::StartsWith(url.spec(), default_variations_url,
+                               base::CompareCase::SENSITIVE));
   EXPECT_FALSE(net::GetValueForKeyInQuery(url, "restrict", &value));
 
   prefs_store.SetVariationsRestrictParameterPolicyValue("restricted");
   url = VariationsService::GetVariationsServerURL(prefs, std::string());
-  EXPECT_TRUE(base::StartsWithASCII(url.spec(), default_variations_url, true));
+  EXPECT_TRUE(base::StartsWith(url.spec(), default_variations_url,
+                               base::CompareCase::SENSITIVE));
   EXPECT_TRUE(net::GetValueForKeyInQuery(url, "restrict", &value));
   EXPECT_EQ("restricted", value);
 
   // The override value should take precedence over what's in prefs.
   url = VariationsService::GetVariationsServerURL(prefs, "override");
-  EXPECT_TRUE(base::StartsWithASCII(url.spec(), default_variations_url, true));
+  EXPECT_TRUE(base::StartsWith(url.spec(), default_variations_url,
+                               base::CompareCase::SENSITIVE));
   EXPECT_TRUE(net::GetValueForKeyInQuery(url, "restrict", &value));
   EXPECT_EQ("override", value);
 }
 
 TEST_F(VariationsServiceTest, VariationsURLHasOSNameParam) {
   TestingPrefServiceSimple prefs;
   VariationsService::RegisterPrefs(prefs.registry());
   const GURL url =
       VariationsService::GetVariationsServerURL(&prefs, std::string());
 
@@ skipping 236 matching lines @@
     EXPECT_TRUE(expected_list_value.Equals(
         prefs.GetList(prefs::kVariationsPermanentConsistencyCountry)));
 
     histogram_tester.ExpectUniqueSample(
         "Variations.LoadPermanentConsistencyCountryResult",
         test.expected_result, 1);
   }
 }
 
 }  // namespace chrome_variations