Plugin service: Use the correct registry key for each watch operation.

content/browser/plugin_service_impl.cc

Index: content/browser/plugin_service_impl.cc
diff --git a/content/browser/plugin_service_impl.cc b/content/browser/plugin_service_impl.cc
index d19f6861c162b2a289d2ca1ccf85a13f3d21bf66..79d25d4bc123acdfdcb6bace39e33e9cb0392f0e 100644
--- a/content/browser/plugin_service_impl.cc
+++ b/content/browser/plugin_service_impl.cc
@@ -201,7 +201,7 @@ void PluginServiceImpl::StartWatchingPlugins() {
                        KEY_NOTIFY) == ERROR_SUCCESS) {
     base::win::RegKey::ChangeCallback callback =
         base::Bind(&PluginServiceImpl::OnKeyChanged, base::Unretained(this),
-                   base::Unretained(&hkcu_key_));
+                   base::Unretained(&hklm_key_));
     hklm_key_.StartWatching(callback);
   }
 #endif
@@ -631,7 +631,7 @@ void PluginServiceImpl::GetPluginsOnIOThread(
 void PluginServiceImpl::OnKeyChanged(base::win::RegKey* key) {
   key->StartWatching(base::Bind(&PluginServiceImpl::OnKeyChanged,
                                 base::Unretained(this),
-                                base::Unretained(&hkcu_key_)));
+                                base::Unretained(key)));
 
   PluginList::Singleton()->RefreshPlugins();
   PurgePluginListCache(NULL, false);