[autofill] Hook the sign-in button up to required actions.

chrome/browser/ui/autofill/autofill_dialog_controller.h

Index: chrome/browser/ui/autofill/autofill_dialog_controller.h
diff --git a/chrome/browser/ui/autofill/autofill_dialog_controller.h b/chrome/browser/ui/autofill/autofill_dialog_controller.h
index c43cd86a2446f520d034bce6f2b22c58e01ed348..461aca9ddd85f84c37490c0f5f6710d934b0d962 100644
--- a/chrome/browser/ui/autofill/autofill_dialog_controller.h
+++ b/chrome/browser/ui/autofill/autofill_dialog_controller.h
@@ -48,6 +48,11 @@ class AutofillDialogController {
   virtual string16 SaveLocallyText() const = 0;
   virtual string16 ProgressBarText() const = 0;
 
+  // State ---------------------------------------------------------------------
+
+  // Whether the user is known to be signed in.
+  virtual DialogSignedInState SignedIn() const = 0;

[Ilya Sherman, 2013/01/31 23:46:41]

nit: Name the method SignedInState?

[Dan Beam, 2013/02/01 00:30:39]

Done.

+
   // Detail inputs -------------------------------------------------------------
 
   // Returns the set of inputs the page has requested which fall under