Code:    int GetAvailableDraftPageCount() {
     int page_data_map_size = page_data_map_.size();
    if (page_data_map_.find(printing::COMPLETE_PREVIEW_DOCUMENT_INDEX) !=
        page_data_map_.end()) {
       page_data_map_size--;
    }
     return page_data_map_size;
   }

Commit Message: Print preview: Use an ID instead of memory pointer string in WebUI.

BUG=144051

Review URL: https://chromiumcodereview.appspot.com/10870003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@153342 0039d316-1c4b-4281-b951-d872f2087c98
CWE ID: CWE-200
   int GetAvailableDraftPageCount() {
     int page_data_map_size = page_data_map_.size();
    if (ContainsKey(page_data_map_, printing::COMPLETE_PREVIEW_DOCUMENT_INDEX))
       page_data_map_size--;
     return page_data_map_size;
   }
