Show an info icon with a tooltip for PSL-matches in the account chooser on Views.

chrome/browser/ui/views/passwords/credentials_item_view.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_UI_VIEWS_PASSWORDS_CREDENTIALS_ITEM_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_PASSWORDS_CREDENTIALS_ITEM_VIEW_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/ui/passwords/account_avatar_fetcher.h"
 #include "ui/views/controls/button/label_button.h"
+#include "ui/views/controls/button/vector_icon_button_delegate.h"
 
 namespace autofill {
 struct PasswordForm;
 }
 
 namespace gfx {
 class ImageSkia;
 }
 
 namespace net {
 class URLRequestContextGetter;
 }
 
 namespace views {
 class ImageView;
 class Label;
+class VectorIconButton;
 }
 
 // CredentialsItemView represents a credential view in the account chooser
 // bubble.
 class CredentialsItemView : public AccountAvatarFetcherDelegate,
+                            public views::VectorIconButtonDelegate,
                             public views::LabelButton {
  public:
   CredentialsItemView(views::ButtonListener* button_listener,
                       const base::string16& upper_text,
                       const base::string16& lower_text,
                       SkColor hover_color,
                       const autofill::PasswordForm* form,
                       net::URLRequestContextGetter* request_context);
   ~CredentialsItemView() override;
 
   const autofill::PasswordForm* form() const { return form_; }
 
   // AccountAvatarFetcherDelegate:
   void UpdateAvatar(const gfx::ImageSkia& image) override;
 
   void SetLowerLabelColor(SkColor color);
   void SetHoverColor(SkColor color);
 
   int GetPreferredHeight() const;
 
  private:
   // views::LabelButton:
   gfx::Size GetPreferredSize() const override;
   int GetHeightForWidth(int w) const override;
   void Layout() override;
   void OnPaint(gfx::Canvas* canvas) override;
 
+  // VectorIconButtonDelegate:
+  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
+  SkColor GetVectorIconBaseColor() const override;
+
   const autofill::PasswordForm* form_;
 
   views::ImageView* image_view_;
   views::Label* upper_label_;
   views::Label* lower_label_;
+  views::VectorIconButton* info_button_;
 
   SkColor hover_color_;
 
   base::WeakPtrFactory<CredentialsItemView> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CredentialsItemView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_PASSWORDS_CREDENTIALS_ITEM_VIEW_H_