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

content/public/common/webplugininfo.cc

Index: content/public/common/webplugininfo.cc
diff --git a/content/public/common/webplugininfo.cc b/content/public/common/webplugininfo.cc
index fe2a02e8fe1c1d151db8aabdd98c36fb95fcf753..9f0c42f9ced9b91f7994474e42d78c94e5a5345a 100644
--- a/content/public/common/webplugininfo.cc
+++ b/content/public/common/webplugininfo.cc
@@ -74,7 +74,7 @@ void WebPluginInfo::CreateVersionFromString(
   // Remove spaces and ')' from the version string,
   // Replace any instances of 'r', ',' or '(' with a dot.
   std::string version = UTF16ToASCII(version_string);
-  RemoveChars(version, ") ", &version);
+  base::RemoveChars(version, ") ", &version);
   std::replace(version.begin(), version.end(), 'd', '.');
   std::replace(version.begin(), version.end(), 'r', '.');
   std::replace(version.begin(), version.end(), ',', '.');