aura: Touch state file after first browser is ready.

chrome/browser/chromeos/chrome_browser_main_chromeos.h

Index: chrome/browser/chromeos/chrome_browser_main_chromeos.h
diff --git a/chrome/browser/chromeos/chrome_browser_main_chromeos.h b/chrome/browser/chromeos/chrome_browser_main_chromeos.h
index 5190db108e401df6b52852ac171025bb5e8bc84d..ddd17be8ae7cf620eb4f4d8306f939bc723efdb4 100644
--- a/chrome/browser/chromeos/chrome_browser_main_chromeos.h
+++ b/chrome/browser/chromeos/chrome_browser_main_chromeos.h
@@ -11,6 +11,10 @@
 namespace chromeos {
 class BrightnessObserver;
 class SessionManagerObserver;
+
+#if defined(USE_AURA)
+class InitialBrowserWindowObserver;
+#endif
 }  // namespace chromeos
 
 class ChromeBrowserMainPartsChromeos : public ChromeBrowserMainPartsLinux {
@@ -28,6 +32,11 @@ class ChromeBrowserMainPartsChromeos : public ChromeBrowserMainPartsLinux {
   scoped_ptr<chromeos::BrightnessObserver> brightness_observer_;
   scoped_ptr<chromeos::SessionManagerObserver> session_manager_observer_;
 
+#if defined(USE_AURA)
+  scoped_ptr<chromeos::InitialBrowserWindowObserver>
+      initial_browser_window_observer_;
+#endif
+
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainPartsChromeos);
 };