Unify shared and service workers in chrome://inspect, remove service workers iframe.

chrome/browser/devtools/devtools_targets_ui.h

Index: chrome/browser/devtools/devtools_targets_ui.h
diff --git a/chrome/browser/devtools/devtools_targets_ui.h b/chrome/browser/devtools/devtools_targets_ui.h
index c8fa3e04266e7300441addbfee5bef01b6368155..f6117311afc324d72ee79647949263dd93fc8564 100644
--- a/chrome/browser/devtools/devtools_targets_ui.h
+++ b/chrome/browser/devtools/devtools_targets_ui.h
@@ -46,6 +46,8 @@ class DevToolsTargetsUIHandler {
   virtual scoped_refptr<content::DevToolsAgentHost> GetBrowserAgentHost(
       const std::string& browser_id);
 
+  virtual void ForceUpdate();
+
  protected:
   base::DictionaryValue* Serialize(const DevToolsTargetImpl& target);
   void SendSerializedTargets(const base::ListValue& list);