Move onc and proxy pref names to components.

chrome/browser/chromeos/proxy_cros_settings_parser.h

Index: chrome/browser/chromeos/proxy_cros_settings_parser.h
diff --git a/chrome/browser/chromeos/proxy_cros_settings_parser.h b/chrome/browser/chromeos/proxy_cros_settings_parser.h
index 57848c424c57fb27e7a852ce1cac859548c346f1..fcabd021962f1a5e242891534d0bdad5aafea877 100644
--- a/chrome/browser/chromeos/proxy_cros_settings_parser.h
+++ b/chrome/browser/chromeos/proxy_cros_settings_parser.h
@@ -17,6 +17,12 @@ namespace chromeos {
 
 class UIProxyConfigService;
 
+// This namespace defines helper functions and pref names for setting/getting a
+// Proxy configuration. These prefs are not directly read from or written to the
+// pref store, but instead are passed to/from UIProxyConfigService.
+
+namespace proxy_cros_settings_parser {
+
 extern const char kProxyPacUrl[];
 extern const char kProxySingleHttp[];
 extern const char kProxySingleHttpPort[];
@@ -36,9 +42,6 @@ extern const char kProxyUsePacUrl[];
 extern const char* const kProxySettings[];
 extern const size_t kProxySettingsCount;
 
-// This namespace defines helper functions for setting/getting Proxy settings.
-namespace proxy_cros_settings_parser {
-
 // Returns true if the supplied |path| is a proxy preference name.
 bool IsProxyPref(const std::string& path);