Move InstallObserver::OnBeginExtensionInstall parameters to a struct

chrome/browser/ui/app_list/search/app_result.cc

Index: chrome/browser/ui/app_list/search/app_result.cc
diff --git a/chrome/browser/ui/app_list/search/app_result.cc b/chrome/browser/ui/app_list/search/app_result.cc
index d537c6b0b035fe7310756e89619cb959fe3547e9..c70a647b8cf6ccfc0d93faee2222c13c4679dfce 100644
--- a/chrome/browser/ui/app_list/search/app_result.cc
+++ b/chrome/browser/ui/app_list/search/app_result.cc
@@ -182,11 +182,8 @@ void AppResult::ExtensionEnableFlowAborted(bool user_initiated) {
   controller_->OnCloseExtensionPrompt();
 }
 
-void AppResult::OnBeginExtensionInstall(const std::string& extension_id,
-                                        const std::string& extension_name,
-                                        const gfx::ImageSkia& installing_icon,
-                                        bool is_app,
-                                        bool is_platform_app) {}
+void AppResult::OnBeginExtensionInstall(
+    const ExtensionInstallParams& params) {}
 
 void AppResult::OnDownloadProgress(const std::string& extension_id,
                                    int percent_downloaded) {}