Cleanup: Move kChromeUIScheme constant into content namespace.

chrome/browser/printing/print_preview_dialog_controller.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/printing/print_preview_dialog_controller.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 349 matching lines @@
   return NULL;
 }
 
 // static
 bool PrintPreviewDialogController::IsPrintPreviewDialog(WebContents* contents) {
   return IsPrintPreviewURL(contents->GetURL());
 }
 
 // static
 bool PrintPreviewDialogController::IsPrintPreviewURL(const GURL& url) {
-  return (url.SchemeIs(chrome::kChromeUIScheme) &&
+  return (url.SchemeIs(content::kChromeUIScheme) &&
           url.host() == chrome::kChromeUIPrintHost);
 }
 
 void PrintPreviewDialogController::EraseInitiatorInfo(
     WebContents* preview_dialog) {
   for (size_t i = 0; i < preview_operations_.size(); ++i) {
     Operation* operation = preview_operations_[i];
     if (operation->preview_dialog == preview_dialog) {
       operation->initiator_observer.StopObserving();
       operation->initiator = NULL;
@@ skipping 182 matching lines @@
       preview_operations_.erase(preview_operations_.begin() + i);
       delete operation;
 
       return;
     }
   }
   NOTREACHED();
 }
 
 }  // namespace printing