Move TrimWhitespace to the base namespace.

net/proxy/proxy_config_service_linux.cc

Index: net/proxy/proxy_config_service_linux.cc
diff --git a/net/proxy/proxy_config_service_linux.cc b/net/proxy/proxy_config_service_linux.cc
index 4bbe0cb575b8f281399d6307d49bb3364b30b9b7..cb3ddead4c66c03d8bca585d2a36849aa4b0f50d 100644
--- a/net/proxy/proxy_config_service_linux.cc
+++ b/net/proxy/proxy_config_service_linux.cc
@@ -1215,8 +1215,8 @@ class SettingGetterImplKDE : public ProxyConfigServiceLinux::SettingGetter,
         *(split++) = 0;
         std::string key = line;
         std::string value = split;
-        TrimWhitespaceASCII(key, TRIM_ALL, &key);
-        TrimWhitespaceASCII(value, TRIM_ALL, &value);
+        base::TrimWhitespaceASCII(key, base::TRIM_ALL, &key);
+        base::TrimWhitespaceASCII(value, base::TRIM_ALL, &value);
         // Skip this line if the key name is empty.
         if (key.empty())
           continue;
@@ -1230,7 +1230,7 @@ class SettingGetterImplKDE : public ProxyConfigServiceLinux::SettingGetter,
           // Trim the localization indicator off.
           key.resize(length);
           // Remove any resulting trailing whitespace.
-          TrimWhitespaceASCII(key, TRIM_TRAILING, &key);
+          base::TrimWhitespaceASCII(key, base::TRIM_TRAILING, &key);
           // Skip this line if the key name is now empty.
           if (key.empty())
             continue;