Update SplitString calls in components

components/content_settings/core/common/content_settings_pattern.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 "components/content_settings/core/common/content_settings_pattern.h"
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_split.h"
@@ skipping 29 matching lines @@
   if (match == std::string::npos ||
       (match > 0 && sub_domain[match - 1] != '.') ||
       (match + domain.length() != sub_domain.length())) {
     return false;
   }
   return true;
 }
 
 // Compares two domain names.
 int CompareDomainNames(const std::string& str1, const std::string& str2) {
-  std::vector<std::string> domain_name1;
-  std::vector<std::string> domain_name2;
-
-  base::SplitString(str1, '.', &domain_name1);
-  base::SplitString(str2, '.', &domain_name2);
+  std::vector<base::StringPiece> domain_name1 = base::SplitStringPiece(
+      str1, ".", base::KEEP_WHITESPACE, base::SPLIT_WANT_ALL);

[yzshen1, 2015/07/22 22:50:34]

TRIM_WHITESPACE

+  std::vector<base::StringPiece> domain_name2 = base::SplitStringPiece(
+      str2, ".", base::KEEP_WHITESPACE, base::SPLIT_WANT_ALL);

[yzshen1, 2015/07/22 22:50:34]

TRIM_WHITESPACE

 
   int i1 = static_cast<int>(domain_name1.size()) - 1;
   int i2 = static_cast<int>(domain_name2.size()) - 1;
   int rv;
   while (i1 >= 0 && i2 >= 0) {
-    // domain names are stored in puny code. So it's fine to use the compare
+    // Domain names are stored in puny code. So it's fine to use the compare
     // method.
     rv = domain_name1[i1].compare(domain_name2[i2]);
     if (rv != 0)
       return rv;
     --i1;
     --i2;
   }
 
   if (i1 > i2)
     return 1;
@@ skipping 631 matching lines @@
   if (!parts.is_port_wildcard && other_parts.is_port_wildcard)
     return ContentSettingsPattern::PREDECESSOR;
 
   int result = parts.port.compare(other_parts.port);
   if (result == 0)
     return ContentSettingsPattern::IDENTITY;
   if (result > 0)
     return ContentSettingsPattern::DISJOINT_ORDER_PRE;
   return ContentSettingsPattern::DISJOINT_ORDER_POST;
 }