Revert of Update SplitString calls to new form

extensions/common/permissions/socket_permission_entry.cc

Index: extensions/common/permissions/socket_permission_entry.cc
diff --git a/extensions/common/permissions/socket_permission_entry.cc b/extensions/common/permissions/socket_permission_entry.cc
index 86c61de043f5e651303a35567a2d381c9cb0263a..8b2d355acc70a80e4d0413c77fb62a989350fb5f 100644
--- a/extensions/common/permissions/socket_permission_entry.cc
+++ b/extensions/common/permissions/socket_permission_entry.cc
@@ -128,9 +128,8 @@
     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);
 }
 
@@ -169,9 +168,8 @@
     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()) {