rAc: Get rid of dialog type in rAc, there is only one type left now.

chrome/browser/ui/autofill/autofill_dialog_controller_impl.h

Index: chrome/browser/ui/autofill/autofill_dialog_controller_impl.h
diff --git a/chrome/browser/ui/autofill/autofill_dialog_controller_impl.h b/chrome/browser/ui/autofill/autofill_dialog_controller_impl.h
index 5407271e446effc14c29cef11b518b6837e1d819..612e24479a9a95b3c9a9096c310a5f3443b8f82c 100644
--- a/chrome/browser/ui/autofill/autofill_dialog_controller_impl.h
+++ b/chrome/browser/ui/autofill/autofill_dialog_controller_impl.h
@@ -84,7 +84,6 @@ class AutofillDialogControllerImpl : public AutofillDialogViewDelegate,
       content::WebContents* contents,
       const FormData& form_structure,
       const GURL& source_url,
-      const DialogType dialog_type,
       const base::Callback<void(const FormStructure*,
                                 const std::string&)>& callback);
 
@@ -185,7 +184,6 @@ class AutofillDialogControllerImpl : public AutofillDialogViewDelegate,
 
   // wallet::WalletClientDelegate implementation.
   virtual const AutofillMetrics& GetMetricLogger() const OVERRIDE;
-  virtual DialogType GetDialogType() const OVERRIDE;
   virtual std::string GetRiskData() const OVERRIDE;
   virtual std::string GetWalletCookieValue() const OVERRIDE;
   virtual bool IsShippingAddressRequired() const OVERRIDE;
@@ -220,15 +218,12 @@ class AutofillDialogControllerImpl : public AutofillDialogViewDelegate,
   virtual void OnDidFetchWalletCookieValue(
       const std::string& cookie_value) OVERRIDE;
 
-  DialogType dialog_type() const { return dialog_type_; }
-
  protected:
   // Exposed for testing.
   AutofillDialogControllerImpl(
       content::WebContents* contents,
       const FormData& form_structure,
       const GURL& source_url,
-      const DialogType dialog_type,
       const base::Callback<void(const FormStructure*,
                                 const std::string&)>& callback);
 
@@ -554,9 +549,6 @@ class AutofillDialogControllerImpl : public AutofillDialogViewDelegate,
   base::Time dialog_shown_timestamp_;
   AutofillMetrics::DialogInitialUserStateMetric initial_user_state_;
 
-  // Whether this is an Autocheckout or a requestAutocomplete dialog.
-  const DialogType dialog_type_;
-
   FormStructure form_structure_;
 
   // Whether the URL visible to the user when this dialog was requested to be