Add "previewing on hover" support for password field.

components/password_manager/content/browser/content_password_manager_driver.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 COMPONENTS_PASSWORD_MANAGER_CONTENT_BROWSER_CONTENT_PASSWORD_MANAGER_DRIVER_H_
 #define COMPONENTS_PASSWORD_MANAGER_CONTENT_BROWSER_CONTENT_PASSWORD_MANAGER_DRIVER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "components/password_manager/core/browser/password_autofill_manager.h"
@@ skipping 27 matching lines @@
       OVERRIDE;
   virtual bool DidLastPageLoadEncounterSSLErrors() OVERRIDE;
   virtual bool IsOffTheRecord() OVERRIDE;
   virtual void AllowPasswordGenerationForForm(autofill::PasswordForm* form)
       OVERRIDE;
   virtual void AccountCreationFormsFound(
       const std::vector<autofill::FormData>& forms) OVERRIDE;
   virtual void AcceptPasswordAutofillSuggestion(
       const base::string16& username,
       const base::string16& password) OVERRIDE;
+  virtual void PreviewPasswordAutofillSuggestion(
+      const base::string16& username,
+      const base::string16& password) OVERRIDE;
+  virtual void ClearPasswordPreviewedForm() OVERRIDE;
 
   virtual PasswordGenerationManager* GetPasswordGenerationManager() OVERRIDE;
   virtual PasswordManager* GetPasswordManager() OVERRIDE;
   virtual autofill::AutofillManager* GetAutofillManager() OVERRIDE;
   virtual PasswordAutofillManager* GetPasswordAutofillManager() OVERRIDE;
 
   // content::WebContentsObserver overrides.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void DidNavigateMainFrame(
       const content::LoadCommittedDetails& details,
       const content::FrameNavigateParams& params) OVERRIDE;
 
  private:
   PasswordManager password_manager_;
   PasswordGenerationManager password_generation_manager_;
   PasswordAutofillManager password_autofill_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentPasswordManagerDriver);
 };
 
 }  // namespace password_manager
 
 #endif  // COMPONENTS_PASSWORD_MANAGER_CONTENT_BROWSER_CONTENT_PASSWORD_MANAGER_DRIVER_H_