Fix user agent override restore pipeline

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index d5a09dcbb874a55aa40e394cedb5f2975d3edf94..bb92dc7f32597cdd030a51fd33e0c71650491430 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -793,6 +793,10 @@ void WebContentsImpl::SetUserAgentOverride(const std::string& override) {
   NavigationEntry* entry = controller_.GetActiveEntry();
   if (is_loading_ && entry != NULL && entry->GetIsOverridingUserAgent())
     controller_.ReloadIgnoringCache(true);
+
+  // Alert the observer that the user agent was changed.

[jam, 2012/08/17 16:02:09]

nit: this comment is gratuitious, please remove

http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml?showone=Implem...

[gone, 2012/08/17 18:39:55]

Done.

+  FOR_EACH_OBSERVER(WebContentsObserver, observers_,
+                    SetUserAgentOverride(override));
 }
 
 const std::string& WebContentsImpl::GetUserAgentOverride() const {