base: get rid of deprecated TrimWhitespace() function

chrome/browser/google/google_brand_chromeos.cc

Index: chrome/browser/google/google_brand_chromeos.cc
diff --git a/chrome/browser/google/google_brand_chromeos.cc b/chrome/browser/google/google_brand_chromeos.cc
index 8ccec25a6a292428af1c466227b473f48c4ad1aa..ddde682e52375f7f696b38ccfab5fa99edc7e812 100644
--- a/chrome/browser/google/google_brand_chromeos.cc
+++ b/chrome/browser/google/google_brand_chromeos.cc
@@ -31,7 +31,7 @@ std::string ReadBrandFromFile() {
   base::FilePath brand_file_path(kRLZBrandFilePath);
   if (!base::ReadFileToString(brand_file_path, &brand))
     LOG(WARNING) << "Brand code file missing: " << brand_file_path.value();
-  base::TrimWhitespace(brand, base::TRIM_ALL, &brand);
+  base::TrimWhitespaceASCII(brand, base::TRIM_ALL, &brand);
   return brand;
 }