Cleanup: Move kAboutScheme constant into content namespace.

content/browser/renderer_host/render_process_host_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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 1591 matching lines @@
   if (!url->is_valid()) {
     // Have to use about:blank for the denied case, instead of an empty GURL.
     // This is because the browser treats navigation to an empty GURL as a
     // navigation to the home page. This is often a privileged page
     // (chrome://newtab/) which is exactly what we don't want.
     *url = GURL(kAboutBlankURL);
     RecordAction(base::UserMetricsAction("FilterURLTermiate_Invalid"));
     return;
   }
 
-  if (url->SchemeIs(chrome::kAboutScheme)) {
+  if (url->SchemeIs(kAboutScheme)) {
     // The renderer treats all URLs in the about: scheme as being about:blank.
     // Canonicalize about: URLs to about:blank.
     *url = GURL(kAboutBlankURL);
     RecordAction(base::UserMetricsAction("FilterURLTermiate_About"));
   }
 
   // Do not allow browser plugin guests to navigate to non-web URLs, since they
   // cannot swap processes or grant bindings.
   bool non_web_url_in_guest = rph->IsGuest() &&
       !(url->is_valid() && policy->IsWebSafeScheme(url->scheme()));
@@ skipping 467 matching lines @@
 
 void RenderProcessHostImpl::DecrementWorkerRefCount() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK_GT(worker_ref_count_, 0);
   --worker_ref_count_;
   if (worker_ref_count_ == 0)
     Cleanup();
 }
 
 }  // namespace content