Ignore *.corp.google.* as GoogleBaseURL

chrome/browser/google_url_tracker.cc

Index: chrome/browser/google_url_tracker.cc
diff --git a/chrome/browser/google_url_tracker.cc b/chrome/browser/google_url_tracker.cc
index a4428c3866bf1f604db4b7decf8cebd8a0d50da8..2dc32e1eee143670eeab9ae5b2f4f5362c944037 100644
--- a/chrome/browser/google_url_tracker.cc
+++ b/chrome/browser/google_url_tracker.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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.
 
@@ -79,14 +79,22 @@ bool GoogleURLTracker::CheckAndConvertToGoogleBaseURL(const GURL& url,
   SplitStringDontTrim(url.host(), '.', &host_components);
   if (host_components.size() < 2)
     return false;
-  std::string& component = host_components[host_components.size() - 2];
+  size_t google_component = host_components.size() - 2;
+  const std::string& component = host_components[google_component];
   if (component != "google") {
     if ((host_components.size() < 3) ||
         ((component != "co") && (component != "com")))
       return false;
-    if (host_components[host_components.size() - 3] != "google")
+    google_component = host_components.size() - 3;
+    if (host_components[google_component] != "google")
       return false;
   }
+  // For Google employees only: If the URL appears to be on
+  // [*.]corp.google.com, it's likely a doorway (e.g.
+  // wifi.corp.google.com), so ignore it.
+  if ((google_component > 0) &&
+      (host_components[google_component - 1] == "corp"))
+    return false;
 
   // If the url's path does not begin "/intl/", reset it to "/".  Other paths
   // represent services such as iGoogle that are irrelevant to the baseURL.