Refactoring of code by moving navigate_() to separate file.

chrome/browser/resources/pdf/open_pdf_params_parser.js

Index: chrome/browser/resources/pdf/open_pdf_params_parser.js
diff --git a/chrome/browser/resources/pdf/open_pdf_params_parser.js b/chrome/browser/resources/pdf/open_pdf_params_parser.js
index a0c7e0d0f4fa0c6d1d2e2ec1bdf5885eda2747b4..c0f4b19d1c8889d979221cc19009aa17f7e8a080 100644
--- a/chrome/browser/resources/pdf/open_pdf_params_parser.js
+++ b/chrome/browser/resources/pdf/open_pdf_params_parser.js
@@ -7,9 +7,8 @@
 /**
  * Creates a new OpenPDFParamsParser. This parses the open pdf parameters
  * passed in the url to set initial viewport settings for opening the pdf.
- * @param {string} url to be parsed.
  */
-function OpenPDFParamsParser(url) {
+function OpenPDFParamsParser() {
   // A dictionary of all the named destinations in the PDF.
   this.namedDestinations = {};
 }