Revert of Update SplitString calls to new form

extensions/common/permissions/socket_permission_entry.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 "extensions/common/permissions/socket_permission_entry.h"
 
 #include <cstdlib>
 #include <sstream>
 #include <vector>
 
@@ skipping 110 matching lines @@
          pattern_.type == SocketPermissionRequest::TCP_LISTEN ||
          pattern_.type == SocketPermissionRequest::UDP_BIND ||
          pattern_.type == SocketPermissionRequest::UDP_SEND_TO;
 }
 
 // static
 bool SocketPermissionEntry::ParseHostPattern(
     SocketPermissionRequest::OperationType type,
     const std::string& pattern,
     SocketPermissionEntry* entry) {
-  std::vector<std::string> tokens =
-      base::SplitString(pattern, std::string(1, kColon), base::KEEP_WHITESPACE,
-                        base::SPLIT_WANT_ALL);
+  std::vector<std::string> tokens;
+  base::SplitStringDontTrim(pattern, kColon, &tokens);
   return ParseHostPattern(type, tokens, entry);
 }
 
 // static
 bool SocketPermissionEntry::ParseHostPattern(
     SocketPermissionRequest::OperationType type,
     const std::vector<std::string>& pattern_tokens,
     SocketPermissionEntry* entry) {
 
   SocketPermissionEntry result;
@@ skipping 18 matching lines @@
   if (!result.IsAddressBoundType())
     return false;
 
   result.pattern_.host = pattern_tokens[0];
   if (!result.pattern_.host.empty()) {
     if (StartsOrEndsWithWhitespace(result.pattern_.host))
       return false;
     result.pattern_.host = base::StringToLowerASCII(result.pattern_.host);
 
     // The first component can optionally be '*' to match all subdomains.
-    std::vector<std::string> host_components =
-        base::SplitString(result.pattern_.host, std::string(1, kDot),
-                          base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
+    std::vector<std::string> host_components;
+    base::SplitString(result.pattern_.host, kDot, &host_components);
     DCHECK(!host_components.empty());
 
     if (host_components[0] == kWildcard || host_components[0].empty()) {
       host_components.erase(host_components.begin(),
                             host_components.begin() + 1);
     } else {
       result.match_subdomains_ = false;
     }
     result.pattern_.host = base::JoinString(host_components, ".");
   }
@@ skipping 32 matching lines @@
 
   if (pattern_.port == kWildcardPortNumber)
     result.append(1, kColon).append(kWildcard);
   else
     result.append(1, kColon).append(base::IntToString(pattern_.port));
 
   return result;
 }
 
 }  // namespace extensions