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

chrome/browser/search_engines/template_url_service.cc

Index: chrome/browser/search_engines/template_url_service.cc
diff --git a/chrome/browser/search_engines/template_url_service.cc b/chrome/browser/search_engines/template_url_service.cc
index 55a8419dea35ace39f9f9d1e0198b567ce9cff86..553805df08248c4eba8c4b0cb4628bdec0fdb52f 100644
--- a/chrome/browser/search_engines/template_url_service.cc
+++ b/chrome/browser/search_engines/template_url_service.cc
@@ -217,7 +217,7 @@ void LogDuplicatesHistogram(
   for (TemplateURLService::TemplateURLVector::const_iterator it =
       template_urls.begin(); it != template_urls.end(); ++it) {
     std::string keyword = UTF16ToASCII((*it)->keyword());
-    TrimString(keyword, "_", &keyword);
+    base::TrimString(keyword, "_", &keyword);
     duplicates[keyword]++;
   }