Implement a poor man's PostAfterStartupTask() function.

chrome/browser/chrome_browser_main.h

Index: chrome/browser/chrome_browser_main.h
diff --git a/chrome/browser/chrome_browser_main.h b/chrome/browser/chrome_browser_main.h
index 1258b75605e29bbd9b23eaf750f406033623ec22..fb433b0e33692f1e97e4aa014950ae78e80f6ecf 100644
--- a/chrome/browser/chrome_browser_main.h
+++ b/chrome/browser/chrome_browser_main.h
@@ -182,4 +182,14 @@ class ChromeBrowserMainParts : public content::BrowserMainParts {
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainParts);
 };
 
+namespace chrome {

[jam, 2015/03/10 23:04:34]

nit: chrome namespace isn't used anymore (see chromium-dev threads about it)
since it's a leaf node

[michaeln, 2015/03/10 23:54:54]

that's too bad, chrome::IsBrowserStartupComplete() reads nicely

+
+// May be called on any thread.
+bool IsBrowserStartupComplete();
+
+// Must be called only on the UI thread.
+void SetBrowserStartupIsComplete();
+
+}  // chrome
+
 #endif  // CHROME_BROWSER_CHROME_BROWSER_MAIN_H_