Code: void PrintPreviewUI::OnPreviewDataIsAvailable(int expected_pages_count,
                                              int preview_request_id) {
  VLOG(1) << "Print preview request finished with "
          << expected_pages_count << " pages";

  if (!initial_preview_start_time_.is_null()) {
    UMA_HISTOGRAM_TIMES("PrintPreview.InitialDisplayTime",
                        base::TimeTicks::Now() - initial_preview_start_time_);
    UMA_HISTOGRAM_COUNTS("PrintPreview.PageCount.Initial",
                          expected_pages_count);
     initial_preview_start_time_ = base::TimeTicks();
   }
  base::StringValue ui_identifier(preview_ui_addr_str_);
   base::FundamentalValue ui_preview_request_id(preview_request_id);
   web_ui()->CallJavascriptFunction("updatePrintPreview", ui_identifier,
                                    ui_preview_request_id);
}

Vulnerability Type: +Info 
CWE ID: CWE-200
Summary: The IPC implementation in Google Chrome before 22.0.1229.79 allows attackers to obtain potentially sensitive information about memory addresses via unspecified vectors.
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