CL for linux proxy for cloud printing

chrome/service/cloud_print/printer_info_dummy.cc

Index: chrome/service/cloud_print/printer_info_dummy.cc
===================================================================
--- chrome/service/cloud_print/printer_info_dummy.cc	(revision 47158)
+++ chrome/service/cloud_print/printer_info_dummy.cc	(working copy)
@@ -2,11 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// This is dummy implementation for all configurations where print system
+// for cloud print is not available.
+#if !defined(CP_PRINT_SYSTEM_AVAILABLE)
+
 #include "chrome/service/cloud_print/printer_info.h"
 
 #include "base/logging.h"
 
-// TODO(sanjeevr): Implement the Mac interfaces.
 namespace cloud_print {
 
 void EnumeratePrinters(PrinterList* printer_list) {
@@ -78,3 +81,5 @@
 }
 }  // namespace cloud_print
 
+#endif  // CP_PRINT_SYSTEM_AVAILABLE
+