How to fix WebContentsImplBrowserTest.NoResetOnBeforeUnloadCanceledOnCommit.

content/shell/browser/shell_javascript_dialog_manager.h

Index: content/shell/browser/shell_javascript_dialog_manager.h
diff --git a/content/shell/browser/shell_javascript_dialog_manager.h b/content/shell/browser/shell_javascript_dialog_manager.h
index ba627bae6f0e7c2455e7d3c6e4ba43eb979d8984..69fd52e9f9b255fa946b2bc0d3364cc2fae6317b 100644
--- a/content/shell/browser/shell_javascript_dialog_manager.h
+++ b/content/shell/browser/shell_javascript_dialog_manager.h
@@ -45,9 +45,6 @@ class ShellJavaScriptDialogManager : public JavaScriptDialogManager {
   void set_dialog_request_callback(const base::Closure& callback) {
     dialog_request_callback_ = callback;
   }
-  void set_should_proceed_on_beforeunload(bool proceed) {
-    should_proceed_on_beforeunload_ = proceed;
-  }
 
  private:
 #if defined(OS_MACOSX) || defined(OS_WIN)
@@ -59,12 +56,6 @@ class ShellJavaScriptDialogManager : public JavaScriptDialogManager {
 
   base::Closure dialog_request_callback_;
 
-  // Whether to automatically proceed when asked to display a BeforeUnload
-  // dialog.
-  bool should_proceed_on_beforeunload_;
-
-  DialogClosedCallback before_unload_callback_;
-
   DISALLOW_COPY_AND_ASSIGN(ShellJavaScriptDialogManager);
 };