Remove groups handling from password manager metrics util

chrome/browser/password_manager/save_password_infobar_delegate.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_PASSWORD_MANAGER_SAVE_PASSWORD_INFOBAR_DELEGATE_H_
 #define CHROME_BROWSER_PASSWORD_MANAGER_SAVE_PASSWORD_INFOBAR_DELEGATE_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/timer/elapsed_timer.h"
@@ skipping 14 matching lines @@
 // After a successful *new* login attempt, we take the PasswordFormManager in
 // provisional_save_manager_ and move it to a SavePasswordInfoBarDelegate while
 // the user makes up their mind with the "save password" infobar. Note if the
 // login is one we already know about, the end of the line is
 // provisional_save_manager_ because we just update it on success and so such
 // forms never end up in an infobar.
 class SavePasswordInfoBarDelegate : public PasswordManagerInfoBarDelegate {
  public:
   // If we won't be showing the one-click signin infobar, creates a save
   // password infobar and delegate and adds the infobar to the InfoBarService
-  // for |web_contents|.  |uma_histogram_suffix| is empty, or one of the
-  // "group_X" suffixes used in the histogram names for infobar usage reporting;
-  // if empty, the usage is not reported, otherwise the suffix is used to choose
-  // the right histogram.
+  // for |web_contents|.
   static void Create(
       content::WebContents* web_contents,
-      scoped_ptr<password_manager::PasswordFormManager> form_to_save,
-      const std::string& uma_histogram_suffix);
+      scoped_ptr<password_manager::PasswordFormManager> form_to_save);
 
   ~SavePasswordInfoBarDelegate() override;
 
   base::string16 GetFirstRunExperienceMessage();
 
   // ConfirmInfoBarDelegate:
   infobars::InfoBarDelegate::InfoBarIdentifier GetIdentifier() const override;
   void InfoBarDismissed() override;
   base::string16 GetButtonLabel(InfoBarButton button) const override;
   bool Accept() override;
   bool Cancel() override;
 
  protected:
   // Makes a ctor available in tests.
   SavePasswordInfoBarDelegate(
       content::WebContents* web_contents,
       scoped_ptr<password_manager::PasswordFormManager> form_to_save,
-      const std::string& uma_histogram_suffix,
       bool is_smartlock_branding_enabled,
       bool should_show_first_run_experience);
 
  private:
   // The PasswordFormManager managing the form we're asking the user about,
   // and should update as per her decision.
   scoped_ptr<password_manager::PasswordFormManager> form_to_save_;
 
   // Used to track the results we get from the info bar.
   password_manager::metrics_util::ResponseType infobar_response_;
 
   // Measures the "Save password?" prompt lifetime. Used to report an UMA
   // signal.
   base::ElapsedTimer timer_;
 
-  // The group name corresponding to the domain name of |form_to_save_| if the
-  // form is on a monitored domain. Otherwise, an empty string.
-  const std::string uma_histogram_suffix_;
-
   // Records source from where infobar was triggered.
   // Infobar appearance (message, buttons) depends on value of this parameter.
   password_manager::CredentialSourceType source_type_;
 
   bool should_show_first_run_experience_;
 
   content::WebContents* web_contents_;
 
   DISALLOW_COPY_AND_ASSIGN(SavePasswordInfoBarDelegate);
 };
 
 // Creates the platform-specific SavePassword InfoBar. This function is defined
 // in platform-specific .cc (or .mm) files.
 scoped_ptr<infobars::InfoBar> CreateSavePasswordInfoBar(
     scoped_ptr<SavePasswordInfoBarDelegate> delegate);
 
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_SAVE_PASSWORD_INFOBAR_DELEGATE_H_