Clean up pref change notification handling.

chrome/browser/extensions/extension_proxy_api.cc

Index: chrome/browser/extensions/extension_proxy_api.cc
diff --git a/chrome/browser/extensions/extension_proxy_api.cc b/chrome/browser/extensions/extension_proxy_api.cc
index 030b711fbdad7405ee399bf09128b488036152b4..a9d0bbd0fdf7315da6772d3df4aa46683897fcaa 100644
--- a/chrome/browser/extensions/extension_proxy_api.cc
+++ b/chrome/browser/extensions/extension_proxy_api.cc
@@ -79,8 +79,8 @@ bool UseCustomProxySettingsFunction::ApplyAutoDetect(bool auto_detect) {
   // We take control of the auto-detect preference even if none was specified,
   // so that all proxy preferences are controlled by the same extension (if not
   // by a higher-priority source).
-  SendNotification(prefs::kProxyAutoDetect,
-                   Value::CreateBooleanValue(auto_detect));
+  scoped_ptr<Value> value(Value::CreateBooleanValue(auto_detect));
+  SendNotification(prefs::kProxyAutoDetect, value.get());
   return true;
 }
 
@@ -92,7 +92,8 @@ bool UseCustomProxySettingsFunction::ApplyPacScript(DictionaryValue* pac_dict) {
   // We take control of the PAC preference even if none was specified, so that
   // all proxy preferences are controlled by the same extension (if not by a
   // higher-priority source).
-  SendNotification(prefs::kProxyPacUrl, Value::CreateStringValue(pac_url));
+  scoped_ptr<Value> value(Value::CreateStringValue(pac_url));
+  SendNotification(prefs::kProxyPacUrl, value.get());
   return true;
 }
 
@@ -153,7 +154,8 @@ bool UseCustomProxySettingsFunction::ApplyProxyRules(
     }
   }
 
-  SendNotification(prefs::kProxyServer, Value::CreateStringValue(proxy_pref));
+  scoped_ptr<Value> value(Value::CreateStringValue(proxy_pref));
+  SendNotification(prefs::kProxyServer, value.get());
   return true;
 }