Move RemoveChars, ReplaceChars, TrimString, and TruncateUTF8ToByteSize to base namespace.

chrome/test/chromedriver/chrome/log.cc

Index: chrome/test/chromedriver/chrome/log.cc
diff --git a/chrome/test/chromedriver/chrome/log.cc b/chrome/test/chromedriver/chrome/log.cc
index 62be86dc87f8a64df3a5cb220337bc40cb65d63c..75ed25b0b148f69d0a4c9e7fe472cb5ba6959554 100644
--- a/chrome/test/chromedriver/chrome/log.cc
+++ b/chrome/test/chromedriver/chrome/log.cc
@@ -87,7 +87,7 @@ std::string PrettyPrintValue(const base::Value& value) {
   base::JSONWriter::WriteWithOptions(
       &value, base::JSONWriter::OPTIONS_PRETTY_PRINT, &json);
 #if defined(OS_WIN)
-  RemoveChars(json, "\r", &json);
+  base::RemoveChars(json, "\r", &json);
 #endif
   // Remove the trailing newline.
   if (json.length())