Don't wait to close tabs waiting for JavaScript dialogs.

content/browser/web_contents/web_contents_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <stdint.h>
 
 #include <functional>
@@ skipping 448 matching lines @@
                        const ContextMenuParams& params) override;
   void RunJavaScriptMessage(RenderFrameHost* render_frame_host,
                             const base::string16& message,
                             const base::string16& default_prompt,
                             const GURL& frame_url,
                             JavaScriptMessageType type,
                             IPC::Message* reply_msg) override;
   void RunBeforeUnloadConfirm(RenderFrameHost* render_frame_host,
                               bool is_reload,
                               IPC::Message* reply_msg) override;
+  bool IsJavaScriptDialogShowing() const override;
   void RunFileChooser(RenderFrameHost* render_frame_host,
                       const FileChooserParams& params) override;
   void DidAccessInitialDocument() override;
   void DidChangeName(RenderFrameHost* render_frame_host,
                      const std::string& name) override;
   void DocumentOnLoadCompleted(RenderFrameHost* render_frame_host) override;
   void UpdateStateForFrame(RenderFrameHost* render_frame_host,
                            const PageState& page_state) override;
   void UpdateTitle(RenderFrameHost* render_frame_host,
                    int32_t page_id,
@@ skipping 809 matching lines @@
   // Indicates whether we should notify about disconnection of this
   // WebContentsImpl. This is used to ensure disconnection notifications only
   // happen if a connection notification has happened and that they happen only
   // once.
   bool notify_disconnection_;
 
   // Pointer to the JavaScript dialog manager, lazily assigned. Used because the
   // delegate of this WebContentsImpl is nulled before its destructor is called.
   JavaScriptDialogManager* dialog_manager_;
 
+  // Set to true when there is an active JavaScript dialog showing.
+  bool is_showing_javascript_dialog_ = false;
+
   // Set to true when there is an active "before unload" dialog.  When true,
   // we've forced the throbber to start in Navigate, and we need to remember to
   // turn it off in OnJavaScriptMessageBoxClosed if the navigation is canceled.
   bool is_showing_before_unload_dialog_;
 
   // Settings that get passed to the renderer process.
   RendererPreferences renderer_preferences_;
 
   // The time that this WebContents was last made active. The initial value is
   // the WebContents creation time.
@@ skipping 178 matching lines @@
   // Adds/removes a callback called on creation of each new WebContents.
   static void AddCreatedCallbackForTesting(const CreatedCallback& callback);
   static void RemoveCreatedCallbackForTesting(const CreatedCallback& callback);
 
   DISALLOW_COPY_AND_ASSIGN(FriendZone);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_