Quick fix for linux shared build.

Review URL: http://codereview.chromium.org/155233

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@20365 0039d316-1c4b-4281-b951-d872f2087c98

printing/page_overlays.cc

@@ -137,6 +137,9 @@ std::wstring PageOverlays::ReplaceVariables(const std::wstring& input,
                                             const PrintedDocument& document,
                                             const PrintedPage& page) {
   std::wstring output(input);
+// Prevent references to document.page_count() on Linux until
+// printed_document.cc is included in printing.gyp.
+#if !defined(OS_LINUX)
   for (size_t offset = output.find(L'{', 0);
        offset != std::wstring::npos;
        offset = output.find(L'{', offset)) {
@@ -200,6 +203,7 @@ std::wstring PageOverlays::ReplaceVariables(const std::wstring& input,
       ++offset;
     }
   }
+#endif // !defined(OS_LINUX)
   return output;
 }