Add a regenerate button to regenerate the password in Windows.

chrome/browser/ui/views/password_generation_bubble_view.h

Index: chrome/browser/ui/views/password_generation_bubble_view.h
diff --git a/chrome/browser/ui/views/password_generation_bubble_view.h b/chrome/browser/ui/views/password_generation_bubble_view.h
index 9fe5c7a6ac70301e09de2711abce68760a94b580..7fbf214272d2b64c61aabad9e401dcea243dfefc 100644
--- a/chrome/browser/ui/views/password_generation_bubble_view.h
+++ b/chrome/browser/ui/views/password_generation_bubble_view.h
@@ -24,6 +24,7 @@ class RenderViewHost;
 }
 
 namespace views {
+class ImageButton;
 class TextButton;
 class Textfield;
 }
@@ -44,7 +45,8 @@ class PasswordGenerationBubbleView : public views::BubbleDelegateView,
                                content::RenderViewHost* render_view_host,
                                autofill::PasswordGenerator* password_generator,
                                content::PageNavigator* navigator,
-                               PasswordManager* password_manager);
+                               PasswordManager* password_manager,
+                               ui::ThemeProvider* theme_provider);
   virtual ~PasswordGenerationBubbleView();
 
  private:
@@ -64,6 +66,7 @@ class PasswordGenerationBubbleView : public views::BubbleDelegateView,
 
   // Subviews
   views::TextButton* accept_button_;
+  views::ImageButton* regenerate_button_;
   views::Textfield* text_field_;
 
   // Location that the bubble points to
@@ -85,6 +88,9 @@ class PasswordGenerationBubbleView : public views::BubbleDelegateView,
   // PasswordManager associated with this tab.
   PasswordManager* password_manager_;
 
+  // Theme provider used to draw the regenerate button.
+  ui::ThemeProvider* theme_provider_;
+
   DISALLOW_COPY_AND_ASSIGN(PasswordGenerationBubbleView);
 };