[Extensions] Migrate ExtensionInstallPrompt::Delegate to be a callback

chrome/browser/ui/cocoa/extensions/windowed_install_dialog_controller.h

Index: chrome/browser/ui/cocoa/extensions/windowed_install_dialog_controller.h
diff --git a/chrome/browser/ui/cocoa/extensions/windowed_install_dialog_controller.h b/chrome/browser/ui/cocoa/extensions/windowed_install_dialog_controller.h
index c7ea98241bb9666329c8d00da75894646ebbed96..3965ec41266c59b2dcf8494a22073445272b819f 100644
--- a/chrome/browser/ui/cocoa/extensions/windowed_install_dialog_controller.h
+++ b/chrome/browser/ui/cocoa/extensions/windowed_install_dialog_controller.h
@@ -11,6 +11,7 @@
 #include "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
+#import "chrome/browser/ui/cocoa/extensions/extension_install_view_controller.h"
 
 class ExtensionInstallPromptShowParams;
 @class ExtensionInstallViewController;
@@ -18,14 +19,13 @@ class ExtensionInstallPromptShowParams;
 
 // Displays an app or extension install or permissions prompt as a standalone
 // NSPanel.
-class WindowedInstallDialogController
-    : public ExtensionInstallPrompt::Delegate {
+class WindowedInstallDialogController : public ExtensionInstallViewDelegate {
  public:
   // Initializes the ExtensionInstallViewController and shows the window. This
   // object will delete itself when the window is closed.
   WindowedInstallDialogController(
       ExtensionInstallPromptShowParams* show_params,
-      ExtensionInstallPrompt::Delegate* delegate,
+      const ExtensionInstallPrompt::DoneCallback& callback,
       scoped_ptr<ExtensionInstallPrompt::Prompt> prompt);
   ~WindowedInstallDialogController() override;
 
@@ -33,16 +33,17 @@ class WindowedInstallDialogController
   // choice is invoked. Releases owned resources, then deletes |this|.
   void OnWindowClosing();
 
-  // ExtensionInstallPrompt::Delegate:
-  void InstallUIProceed() override;
-  void InstallUIAbort(bool user_initiated) override;
+  // ExtensionInstallViewDelegate:
+  void OnOkButtonClicked() override;
+  void OnCancelButtonClicked() override;
+  void OnStoreLinkClicked() override;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(WindowedInstallDialogControllerBrowserTest,
                            ShowInstallDialog);
   ExtensionInstallViewController* GetViewController();
 
-  ExtensionInstallPrompt::Delegate* delegate_;
+  ExtensionInstallPrompt::DoneCallback done_callback_;
   base::scoped_nsobject<WindowedInstallController> install_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowedInstallDialogController);