Making ShowExtensionInstallDialog a callback

chrome/browser/download/download_browsertest.cc

Index: chrome/browser/download/download_browsertest.cc
diff --git a/chrome/browser/download/download_browsertest.cc b/chrome/browser/download/download_browsertest.cc
index a85588646eac1bf7c81cd56087a61af2f7a6e5d6..25fbc7710063b53e410254ea111420c5a77d8692 100644
--- a/chrome/browser/download/download_browsertest.cc
+++ b/chrome/browser/download/download_browsertest.cc
@@ -149,7 +149,9 @@ class MockAbortExtensionInstallPrompt : public ExtensionInstallPrompt {
   }
 
   // Simulate a user abort on an extension installation.
-  virtual void ConfirmInstall(Delegate* delegate, const Extension* extension) {
+  virtual void ConfirmInstall(Delegate* delegate,
+                              const Extension* extension,
+                              scoped_refptr<ExtensionInstallDialog> dialog) {
     delegate->InstallUIAbort(true);
     MessageLoopForUI::current()->Quit();
   }
@@ -169,7 +171,9 @@ class MockAutoConfirmExtensionInstallPrompt : public ExtensionInstallPrompt {
       : ExtensionInstallPrompt(parent, navigator, profile) {}
 
   // Proceed without confirmation prompt.
-  virtual void ConfirmInstall(Delegate* delegate, const Extension* extension) {
+  virtual void ConfirmInstall(Delegate* delegate,
+                              const Extension* extension,
+                              scoped_refptr<ExtensionInstallDialog> dialog) {
     delegate->InstallUIProceed();
   }