Autofill: Add contents of CVC unmask prompt dialog on OSX.

chrome/browser/ui/cocoa/autofill/card_unmask_prompt_view_bridge.h

Index: chrome/browser/ui/cocoa/autofill/card_unmask_prompt_view_bridge.h
diff --git a/chrome/browser/ui/cocoa/autofill/card_unmask_prompt_view_bridge.h b/chrome/browser/ui/cocoa/autofill/card_unmask_prompt_view_bridge.h
index 02ff9cf3370c6fbcec5c9f35a87ce08aa5fb5b99..fb6ed4901af048a0a614484c7921fefa3a36e60b 100644
--- a/chrome/browser/ui/cocoa/autofill/card_unmask_prompt_view_bridge.h
+++ b/chrome/browser/ui/cocoa/autofill/card_unmask_prompt_view_bridge.h
@@ -32,11 +32,12 @@ class CardUnmaskPromptViewBridge : public CardUnmaskPromptView,
   // ConstrainedWindowMacDelegate implementation:
   void OnConstrainedWindowClosed(ConstrainedWindowMac* window) override;
 
+  CardUnmaskPromptController* GetController();
   void PerformClose();
 
  private:
   scoped_ptr<ConstrainedWindowMac> constrained_window_;
-  base::scoped_nsobject<CardUnmaskPromptViewCocoa> sheet_controller_;
+  base::scoped_nsobject<CardUnmaskPromptViewCocoa> view_controller_;
 
   // The controller |this| queries for logic and state.
   CardUnmaskPromptController* controller_;
@@ -44,7 +45,7 @@ class CardUnmaskPromptViewBridge : public CardUnmaskPromptView,
 
 }  // autofill
 
-@interface CardUnmaskPromptViewCocoa : NSWindowController<NSWindowDelegate> {
+@interface CardUnmaskPromptViewCocoa : NSViewController<NSWindowDelegate> {
  @private
   content::WebContents* webContents_;