PrintPreview: Fix printer color settings issues based on printer ppd/schema information.

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"
 #include "base/string16.h"
 #include "printing/page_range.h"
 #include "printing/page_setup.h"
 #include "ui/gfx/rect.h"
 
 namespace printing {
 
+// Returns true if color model is selected.
+bool isColorModelSelected(int model);
+
+#if defined (USE_CUPS)
+  // Get the color model setting name and value for the |color_mode|.
+  void GetColorModelForMode(int color_mode,
+                            std::string* color_setting_name,
+                            std::string* color_value);
+#endif
+
 // OS-independent print settings.
 class PRINTING_EXPORT PrintSettings {
  public:
   PrintSettings();
   ~PrintSettings();
 
   // Reinitialize the settings to the default values.
   void Clear();
 
   // Set printer printable area in in device units.
@@ skipping 96 matching lines @@
   // 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_