Make sure to not remove global error twice.

chrome/browser/safe_browsing/srt_global_error_win.h

Index: chrome/browser/safe_browsing/srt_global_error_win.h
diff --git a/chrome/browser/safe_browsing/srt_global_error_win.h b/chrome/browser/safe_browsing/srt_global_error_win.h
index b79a226062135d0bdae665414a93268293b59dcc..8a6d7a03b2f8a417a3fc60e701b74a55876cec31 100644
--- a/chrome/browser/safe_browsing/srt_global_error_win.h
+++ b/chrome/browser/safe_browsing/srt_global_error_win.h
@@ -9,6 +9,7 @@
 
 #include "base/files/file_path.h"
 #include "base/macros.h"
+#include "chrome/browser/safe_browsing/srt_field_trial_win.h"
 #include "chrome/browser/ui/global_error/global_error.h"
 
 class GlobalErrorService;
@@ -59,6 +60,9 @@ class SRTGlobalError : public GlobalErrorWithStandardBubble {
   // download and execute the SRT.
   void FallbackToDownloadPage();
 
+  // Called when user interaction has started.
+  void OnUserinteractionStarted(SRTPromptHistogramValue histogram_value);
+
   // Called when user interaction is done.
   void OnUserinteractionDone();