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

chrome/browser/ui/android/autofill/autofill_dialog_controller_android.h

Index: chrome/browser/ui/android/autofill/autofill_dialog_controller_android.h
diff --git a/chrome/browser/ui/android/autofill/autofill_dialog_controller_android.h b/chrome/browser/ui/android/autofill/autofill_dialog_controller_android.h
index e59cecbd56ed07fc830d3f1f1e51eda3810d6ec5..03d609dbde191d9ba53519c00ac2c0449449c5ce 100644
--- a/chrome/browser/ui/android/autofill/autofill_dialog_controller_android.h
+++ b/chrome/browser/ui/android/autofill/autofill_dialog_controller_android.h
@@ -30,7 +30,6 @@ class AutofillDialogControllerAndroid : public AutofillDialogController {
       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);
 
@@ -43,7 +42,6 @@ class AutofillDialogControllerAndroid : public AutofillDialogController {
   virtual void Show() OVERRIDE;
   virtual void Hide() OVERRIDE;
   virtual void TabActivated() OVERRIDE;
-  virtual DialogType GetDialogType() const OVERRIDE;
 
   // JNI bindings for Java-side AutofillDialogDelegate:
   void DialogCancel(JNIEnv* env, jobject obj);
@@ -64,7 +62,6 @@ class AutofillDialogControllerAndroid : public AutofillDialogController {
       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);
 
@@ -92,9 +89,6 @@ class AutofillDialogControllerAndroid : public AutofillDialogController {
   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