How to fix WebContentsImplBrowserTest.NoResetOnBeforeUnloadCanceledOnCommit.

content/test/content_browser_test_utils_internal.cc

Index: content/test/content_browser_test_utils_internal.cc
diff --git a/content/test/content_browser_test_utils_internal.cc b/content/test/content_browser_test_utils_internal.cc
index 45664e84b90ef937a74605082fe3d425554abaa0..586fa840ee146e983a7e69ff3348b6d260d07c6e 100644
--- a/content/test/content_browser_test_utils_internal.cc
+++ b/content/test/content_browser_test_utils_internal.cc
@@ -35,7 +35,6 @@
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/public/test/test_frame_navigation_observer.h"
 #include "content/shell/browser/shell.h"
-#include "content/shell/browser/shell_javascript_dialog_manager.h"
 #include "net/url_request/url_request.h"
 
 namespace content {
@@ -49,13 +48,6 @@ void NavigateFrameToURL(FrameTreeNode* node, const GURL& url) {
   observer.Wait();
 }
 
-void SetShouldProceedOnBeforeUnload(Shell* shell, bool proceed) {
-  ShellJavaScriptDialogManager* manager =
-      static_cast<ShellJavaScriptDialogManager*>(
-          shell->GetJavaScriptDialogManager(shell->web_contents()));
-  manager->set_should_proceed_on_beforeunload(proceed);
-}
-
 RenderFrameHost* ConvertToRenderFrameHost(FrameTreeNode* frame_tree_node) {
   return frame_tree_node->current_frame_host();
 }