Interactive autofill: Handle Online Wallet being unavailable.

chrome/browser/ui/views/autofill/autofill_dialog_views.h

Index: chrome/browser/ui/views/autofill/autofill_dialog_views.h
diff --git a/chrome/browser/ui/views/autofill/autofill_dialog_views.h b/chrome/browser/ui/views/autofill/autofill_dialog_views.h
index 012ee435ba6baa6a523864e5df8f1bb508ce56d2..d7792754bf9953f29d030f5c12f52fc29fc375a9 100644
--- a/chrome/browser/ui/views/autofill/autofill_dialog_views.h
+++ b/chrome/browser/ui/views/autofill/autofill_dialog_views.h
@@ -11,6 +11,7 @@
 #include "chrome/browser/ui/autofill/autofill_dialog_view.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/controls/button/menu_button_listener.h"
+#include "ui/views/controls/link.h"
 #include "ui/views/controls/link_listener.h"
 #include "ui/views/controls/progress_bar.h"
 #include "ui/views/controls/textfield/textfield_controller.h"
@@ -138,10 +139,27 @@ class AutofillDialogViews : public AutofillDialogView,
     DISALLOW_COPY_AND_ASSIGN(DecoratedTextfield);
   };
 
-  // An area for notifications. Some types of notifications point at stuff.
+  // An area to choose which account to use to make a transaction. If wallet is
+  // available, choices include "Sign in to a different wallet account...", the
+  // current Wallet account (if signed in), or a "Pay without Wallet" option. If
+  // wallet is unavailable, only "Pay without Wallet" will be available.
+  class AccountChooserLink : public views::Link {
+   public:
+    AccountChooserLink();
+    virtual ~AccountChooserLink();
+
+    // Get the width of only the text (not the whole view). This is required
+    // as views::Link::GetTextSize() is protected.
+    size_t GetTextWidth() const;
+
+   private:
+    DISALLOW_COPY_AND_ASSIGN(AccountChooserLink);
+  };
+
+  // An area for notifications. Some notifications point at the account chooser.
   class NotificationArea : public views::View {
    public:
-    NotificationArea();
+    explicit NotificationArea(AccountChooserLink* arrow_centering_anchor);
     virtual ~NotificationArea();
 
     void SetNotification(const DialogNotification& notification);
@@ -152,6 +170,7 @@ class AutofillDialogViews : public AutofillDialogView,
 
    private:
     views::Label* label_;
+    AccountChooserLink* arrow_centering_anchor_;
     DialogNotification notification_;
 
     DISALLOW_COPY_AND_ASSIGN(NotificationArea);
@@ -330,8 +349,8 @@ class AutofillDialogViews : public AutofillDialogView,
   // Runs the suggestion menu (triggered by each section's |suggested_button|.
   scoped_ptr<views::MenuRunner> menu_runner_;
 
-  // The link that initiates the sign in flow.
-  views::Link* sign_in_link_;
+  // A link to allow choosing different accounts to pay with.
+  AccountChooserLink* account_chooser_link_;
 
   // View to host the signin dialog and related controls.
   views::View* sign_in_container_;