[cros] update screen re-factoring pt.1

chrome/browser/chromeos/login/update_view.h

Index: chrome/browser/chromeos/login/update_view.h
diff --git a/chrome/browser/chromeos/login/update_view.h b/chrome/browser/chromeos/login/update_view.h
index f52d3e1458f1cfb456738db0ac1904babcffcef2..ed40c92e51d7b2b74a7e96eab43c49db88beab04 100644
--- a/chrome/browser/chromeos/login/update_view.h
+++ b/chrome/browser/chromeos/login/update_view.h
@@ -17,7 +17,6 @@ class Throbber;
 namespace chromeos {
 
 class ScreenObserver;
-class UpdateController;
 
 // View for the network selection/initial welcome screen.
 class UpdateView : public views::View {
@@ -29,11 +28,6 @@ class UpdateView : public views::View {
   void Reset();
   void UpdateLocalizedStrings();
 
-  // Sets update controller.
-  void set_controller(UpdateController* controller) {
-    controller_ = controller;
-  }
-
   // Advances view's progress bar. Maximum progress is 100.
   void AddProgress(int progress);
 
@@ -80,8 +74,6 @@ class UpdateView : public views::View {
 
   // Notifications receiver.
   chromeos::ScreenObserver* observer_;
-  // Update controller.
-  chromeos::UpdateController* controller_;
 
   DISALLOW_COPY_AND_ASSIGN(UpdateView);
 };