Added flags to expose GCP->print preview integration

chrome/browser/about_flags.cc

 // 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.
 
 #include "chrome/browser/about_flags.h"
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 #include <set>
@@ skipping 142 matching lines @@
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kShowFPSCounter)
   },
   {
     "disable-gpu-vsync",
     IDS_FLAGS_DISABLE_GPU_VSYNC_NAME,
     IDS_FLAGS_DISABLE_GPU_VSYNC_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kDisableGpuVsync)
   },
-  // Only expose this for Chromium builds where users may not have the PDF
-  // plugin. Do not give Google Chrome users the option to disable it here.
   {
     "print-preview",  // FLAGS:RECORD_UMA
     IDS_FLAGS_PRINT_PREVIEW_NAME,
     IDS_FLAGS_PRINT_PREVIEW_DESCRIPTION,
+#if !defined(GOOGLE_CHROME_BUILD) || defined(OS_CHROMEOS)
+    // Only expose this for Chromium builds where users may not have the PDF
+    // plugin. Do not give Google Chrome users the option to disable it here.
+    // Also expose it for Chrome OS where print preview is still experimental.
     kOsAll,
+#else
+    0,
+#endif
     SINGLE_VALUE_TYPE(switches::kEnablePrintPreview)
   },
+  {
+    "cloud-print",  // FLAGS:RECORD_UMA
+    IDS_FLAGS_CLOUD_PRINT_NAME,
+    IDS_FLAGS_CLOUD_PRINT_DESCRIPTION,
+    // Define this for all platforms except Chrome OS.
+    // It makes no sense to disable it on Chrome OS.
+    kOsMac | kOsWin | kOsLinux,
+    SINGLE_VALUE_TYPE(switches::kEnableCloudPrint)
+  },
   // TODO(dspringer): When NaCl is on by default, remove this flag entry.
   {
     "enable-nacl",  // FLAGS:RECORD_UMA
     IDS_FLAGS_ENABLE_NACL_NAME,
     IDS_FLAGS_ENABLE_NACL_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kEnableNaCl)
   },
   {
     "extension-apis",  // FLAGS:RECORD_UMA
@@ skipping 616 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags