Revert of Adds error handling support for the SwReporter launcher.

chrome/browser/safe_browsing/srt_chrome_prompt_impl.cc

Index: chrome/browser/safe_browsing/srt_chrome_prompt_impl.cc
diff --git a/chrome/browser/safe_browsing/srt_chrome_prompt_impl.cc b/chrome/browser/safe_browsing/srt_chrome_prompt_impl.cc
index dae99a6288ffddaed5b20fbcf0cb60d8afb037f5..38bb6015efc851f563ca2bece0c69110a7fda174 100644
--- a/chrome/browser/safe_browsing/srt_chrome_prompt_impl.cc
+++ b/chrome/browser/safe_browsing/srt_chrome_prompt_impl.cc
@@ -14,11 +14,8 @@
 using chrome_cleaner::mojom::PromptAcceptance;
 using chrome_cleaner::mojom::UwSPtr;
 
-ChromePromptImpl::ChromePromptImpl(ChromePromptRequest request,
-                                   base::Closure on_connection_closed)
-    : binding_(this, std::move(request)) {
-  binding_.set_connection_error_handler(std::move(on_connection_closed));
-}
+ChromePromptImpl::ChromePromptImpl(ChromePromptRequest request)
+    : binding_(this, std::move(request)) {}
 
 ChromePromptImpl::~ChromePromptImpl() {}