DevTools: Do not close devtools if there are dirty files in workspace

chrome/browser/ui/tabs/tab_strip_model_delegate.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 CHROME_BROWSER_UI_TABS_TAB_STRIP_MODEL_DELEGATE_H_
 #define CHROME_BROWSER_UI_TABS_TAB_STRIP_MODEL_DELEGATE_H_
 
 #include <vector>
 
 #include "content/public/common/page_transition_types.h"
@@ skipping 86 matching lines @@
   virtual void CreateHistoricalTab(content::WebContents* contents) = 0;
 
   // Runs any unload listeners associated with the specified WebContents
   // before it is closed. If there are unload listeners that need to be run,
   // this function returns true and the TabStripModel will wait before closing
   // the WebContents. If it returns false, there are no unload listeners
   // and the TabStripModel will close the WebContents immediately.
   virtual bool RunUnloadListenerBeforeClosing(
       content::WebContents* contents) = 0;
 
+  // Returns true if we should run unload listeners before attempts
+  // to close |contents|.
+  virtual bool ShouldRunUnloadListenerBeforeClosing(
+      content::WebContents* contents) = 0;
+
   // Returns the current tab restore type.
   virtual RestoreTabType GetRestoreTabType() = 0;
 
   // Restores the last closed tab unless tab restore type is none.
   virtual void RestoreTab() = 0;
 
   // Returns true if we should allow "bookmark all tabs" in this window; this is
   // true when there is more than one bookmarkable tab open.
   virtual bool CanBookmarkAllTabs() const = 0;
 
   // Creates a bookmark folder containing a bookmark for all open tabs.
   virtual void BookmarkAllTabs() = 0;
 };
 
 #endif  // CHROME_BROWSER_UI_TABS_TAB_STRIP_MODEL_DELEGATE_H_