Revert 289312 "Move StringToUpperASCII and LowerCaseEqualsASCII ..."

trunk/src/content/browser/child_process_security_policy_impl.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 "content/browser/child_process_security_policy_impl.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
@@ skipping 600 matching lines @@
       // A view-source URL is allowed if the child process is permitted to
       // request the embedded URL. Careful to avoid pointless recursion.
       GURL child_url(url.GetContent());
       if (child_url.SchemeIs(kViewSourceScheme) &&
           url.SchemeIs(kViewSourceScheme))
           return false;
 
       return CanRequestURL(child_id, child_url);
     }
 
-    if (base::LowerCaseEqualsASCII(url.spec(), url::kAboutBlankURL))
+    if (LowerCaseEqualsASCII(url.spec(), url::kAboutBlankURL))
       return true;  // Every child process can request <about:blank>.
 
     // URLs like <about:memory> and <about:crash> shouldn't be requestable by
     // any child process.  Also, this case covers <javascript:...>, which should
     // be handled internally by the process and not kicked up to the browser.
     return false;
   }
 
   if (!GetContentClient()->browser()->IsHandledURL(url) &&
       !net::URLRequest::IsHandledURL(url)) {
@@ skipping 253 matching lines @@
   base::AutoLock lock(lock_);
 
   SecurityStateMap::iterator state = security_state_.find(child_id);
   if (state == security_state_.end())
     return false;
 
   return state->second->can_send_midi_sysex();
 }
 
 }  // namespace content