printing: Convert some wstrings to string16s.

printing/print_settings.h

 // Copyright (c) 2011 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.
 
 #ifndef PRINTING_PRINT_SETTINGS_H_
 #define PRINTING_PRINT_SETTINGS_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 17 matching lines @@
   void SetPrinterPrintableArea(gfx::Size const& physical_size_device_units,
                                gfx::Rect const& printable_area_device_units,
                                int units_per_inch);
 
   // Equality operator.
   // NOTE: printer_name is NOT tested for equality since it doesn't affect the
   // output.
   bool Equals(const PrintSettings& rhs) const;
 
   void set_landscape(bool landscape) { landscape_ = landscape; }
-  void set_printer_name(const std::wstring& printer_name) {
+  void set_printer_name(const string16& printer_name) {
     printer_name_ = printer_name;
   }
-  const std::wstring& printer_name() const { return printer_name_; }
-  void set_device_name(const std::wstring& device_name) {
+  const string16& printer_name() const { return printer_name_; }
+  void set_device_name(const string16& device_name) {
     device_name_ = device_name;
   }
-  const std::wstring& device_name() const { return device_name_; }
+  const string16& device_name() const { return device_name_; }
   void set_dpi(int dpi) { dpi_ = dpi; }
   int dpi() const { return dpi_; }
   void set_supports_alpha_blend(bool supports_alpha_blend) {
     supports_alpha_blend_ = supports_alpha_blend;
   }
   bool supports_alpha_blend() const { return supports_alpha_blend_; }
   const PageSetup& page_setup_device_units() const {
     return page_setup_device_units_;
   }
   int device_units_per_inch() const {
@@ skipping 47 matching lines @@
   string16 url;
 
   // True if the user wants headers and footers to be displayed.
   bool display_header_footer;
 
  private:
   //////////////////////////////////////////////////////////////////////////////
   // Settings that can't be changed without side-effects.
 
   // Printer name as shown to the user.
-  std::wstring printer_name_;
+  string16 printer_name_;
 
   // Printer device name as opened by the OS.
-  std::wstring device_name_;
+  string16 device_name_;
 
   // Page setup in device units.
   PageSetup page_setup_device_units_;
 
   // Printer's device effective dots per inch in both axis.
   int dpi_;
 
   // Is the orientation landscape or portrait.
   bool landscape_;
 
   // True if this printer supports AlphaBlend.
   bool supports_alpha_blend_;
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_PRINT_SETTINGS_H_