Clean up a few more unused globals.

chrome/browser/printing/print_system_task_proxy.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_system_task_proxy.h"
 
 #include <ctype.h>
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/metrics/histogram.h"
 #include "base/values.h"
 #include "chrome/browser/ui/webui/print_preview/print_preview_handler.h"
 #include "chrome/common/crash_keys.h"
 #include "printing/backend/print_backend.h"
 #include "printing/print_job_constants.h"
 #include "printing/print_settings.h"
 
 #if defined(USE_CUPS)
 #include <cups/cups.h>
 #include <cups/ppd.h>
 #endif
 
 using content::BrowserThread;
 
-namespace {
-
 const char kPrinterId[] = "printerId";
 const char kDisableColorOption[] = "disableColorOption";
 const char kSetDuplexAsDefault[] = "setDuplexAsDefault";
-const char kPrinterColorModelForBlack[] = "printerColorModelForBlack";
-const char kPrinterColorModelForColor[] = "printerColorModelForColor";
 const char kPrinterDefaultDuplexValue[] = "printerDefaultDuplexValue";
 
-}  // namespace
-
 PrintSystemTaskProxy::PrintSystemTaskProxy(
     const base::WeakPtr<PrintPreviewHandler>& handler,
     printing::PrintBackend* print_backend,
     bool has_logged_printers_count)
     : handler_(handler),
       print_backend_(print_backend),
       has_logged_printers_count_(has_logged_printers_count) {
 }
 
 PrintSystemTaskProxy::~PrintSystemTaskProxy() {
@@ skipping 117 matching lines @@
   if (handler_.get())
     handler_->SendPrinterCapabilities(*settings_info);
   delete settings_info;
 }
 
 void PrintSystemTaskProxy::SendFailedToGetPrinterCapabilities(
     const std::string& printer_name) {
   if (handler_.get())
     handler_->SendFailedToGetPrinterCapabilities(printer_name);
 }