extensions: tabs: set tab id to -1 for app/devtools windows

chrome/browser/extensions/extension_tab_util.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/extensions/extension_tab_util.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/api/tabs/tabs_constants.h"
 #include "chrome/browser/extensions/chrome_extension_function.h"
@@ skipping 297 matching lines @@
 int ExtensionTabUtil::GetWindowIdOfTabStripModel(
     const TabStripModel* tab_strip_model) {
   for (chrome::BrowserIterator it; !it.done(); it.Next()) {
     if (it->tab_strip_model() == tab_strip_model)
       return GetWindowId(*it);
   }
   return -1;
 }
 
 int ExtensionTabUtil::GetTabId(const WebContents* web_contents) {
+  Browser* browser = chrome::FindBrowserWithWebContents(web_contents);
+  if (browser && browser->is_devtools())
+    return -1;
   return SessionTabHelper::IdForTab(web_contents);
 }
 
 std::string ExtensionTabUtil::GetTabStatusText(bool is_loading) {
   return is_loading ? keys::kStatusValueLoading : keys::kStatusValueComplete;
 }
 
 int ExtensionTabUtil::GetWindowIdOfTab(const WebContents* web_contents) {
   return SessionTabHelper::IdForWindowContainingTab(web_contents);
 }
@@ skipping 304 matching lines @@
 
   chrome::NavigateParams params(
       chrome::GetSingletonTabNavigateParams(browser, url_to_navigate));
   params.path_behavior = chrome::NavigateParams::IGNORE_AND_NAVIGATE;
   params.url = url_to_navigate;
   chrome::ShowSingletonTabOverwritingNTP(browser, params);
   return true;
 }
 
 }  // namespace extensions