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

chrome/browser/ui/browser_tab_strip_model_delegate.cc

 // 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.
 
 #include "chrome/browser/ui/browser_tab_strip_model_delegate.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/tab_restore_service.h"
@@ skipping 119 matching lines @@
         contents,
         browser_->tab_strip_model()->GetIndexOfWebContents(contents));
   }
 }
 
 bool BrowserTabStripModelDelegate::RunUnloadListenerBeforeClosing(
     content::WebContents* contents) {
   return Browser::RunUnloadEventsHelper(contents);
 }
 
+bool BrowserTabStripModelDelegate::CanFastShutdownWebContents(
+    content::WebContents* contents) {
+  return Browser::CanFastShutdownWebContents(contents);
+}
+
 bool BrowserTabStripModelDelegate::CanBookmarkAllTabs() const {
   return chrome::CanBookmarkAllTabs(browser_);
 }
 
 void BrowserTabStripModelDelegate::BookmarkAllTabs() {
   chrome::BookmarkAllTabs(browser_);
 }
 
 TabStripModelDelegate::RestoreTabType
 BrowserTabStripModelDelegate::GetRestoreTabType() {
   return chrome::GetRestoreTabType(browser_);
 }
 
 void BrowserTabStripModelDelegate::RestoreTab() {
   chrome::RestoreTab(browser_);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // BrowserTabStripModelDelegate, private:
 
 void BrowserTabStripModelDelegate::CloseFrame() {
   browser_->window()->Close();
 }
 
 }  // namespace chrome