Back out r10487 too

chrome/browser/browser_about_handler.cc

 // Copyright (c) 2006-2008 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/browser_about_handler.h"
 
 #include <string>
 #include <vector>
 
 #include "base/file_version_info.h"
@@ skipping 151 matching lines @@
 // This is the top-level URL handler for chrome-internal: URLs, and exposed in
 // our header file.
 bool BrowserAboutHandler::MaybeHandle(GURL* url,
                                       TabContentsType* result_type) {
   if (!url->SchemeIs(kAboutScheme))
     return false;
 
   // about:blank is special.  Frames are allowed to access about:blank,
   // but they are not allowed to access other types of about pages.
   // Just ignore the about:blank and let the TAB_CONTENTS_WEB handle it.
-  if (LowerCaseEqualsASCII(url->spec(), chrome::kAboutBlankURL)) {
+  if (StringToLowerASCII(url->path()) == "blank") {
     return false;
   }
 
   // We create an about:cache mapping to the view-cache: internal URL.
   if (StringToLowerASCII(url->path()) == kCachePath) {
     *url = GURL("view-cache:");
     *result_type = TAB_CONTENTS_WEB;
     return true;
   }
 
   if (LowerCaseEqualsASCII(url->path(), "network")) {
 #if defined(OS_WIN)
     // Run the dialog. This will re-use the existing one if it's already up.
     AboutNetworkDialog::RunDialog();
 #else
     NOTIMPLEMENTED();
     // TODO(port) Implement this.
 #endif
 
     // Navigate the renderer to about:blank. This is kind of stupid but is the
     // easiest thing to do in this situation without adding a lot of complexity
     // for this developer-only feature.
-    *url = GURL(chrome::kAboutBlankURL);
+    *url = GURL("about:blank");
     return false;
   }
 
 #ifdef IPC_MESSAGE_LOG_ENABLED
   if (LowerCaseEqualsASCII(url->path(), "ipc")) {
 #if defined(OS_WIN)
     // Run the dialog. This will re-use the existing one if it's already up.
     AboutIPCDialog::RunDialog();
 #else
     NOTIMPLEMENTED();
     // TODO(port) Implement this.
 #endif
-    *url = GURL(chrome::kAboutBlankURL);
+    *url = GURL("about:blank");
     return false;
   }
 #endif
 
   // There are a few about URLs that we hand over to the renderer.
   // If the renderer wants them, let it have them.
   if (AboutHandler::WillHandle(*url))
     return false;
 
   *result_type = TAB_CONTENTS_ABOUT_UI;
@@ skipping 412 matching lines @@
 
   AboutSource* about_source = static_cast<AboutSource*>(source_);
   about_source->FinishDataRequest(template_html, request_id_);
 }
 
 // static
 void BrowserAboutHandler::AboutMemory(AboutSource* source, int request_id) {
   // The AboutMemoryHandler cleans itself up.
   new AboutMemoryHandler(source, request_id);
 }