OOP PDF: Add whether a resource is embedded to StreamInfo.

chrome/browser/resources/pdf/main.js

 // Copyright 2014 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.
 
 'use strict';
 
 <include src="../../../../ui/webui/resources/js/util.js">
 <include src="open_pdf_params_parser.js">
 <include src="pdf.js">
 <include src="pdf_scripting_api.js">
@@ skipping 28 matching lines @@
 
   // The viewer may be started directly by passing in the URL of the PDF to load
   // as the query string. This is used for print preview in particular. The URL
   // of this page will be of the form
   // 'chrome-extension://<extension id>?<pdf url>'. We pull out the <pdf url>
   // part here.
   var url = window.location.search.substring(1);
   var streamDetails = {
     streamUrl: url,
     originalUrl: url,
-    responseHeaders: ''
+    responseHeaders: '',
+    embedded: window.parent != window,
+    tabId: -1
   };
-  viewer = new PDFViewer(streamDetails);
+  if (!chrome.tabs) {
+    viewer = new PDFViewer(streamDetails);
+    return;
+  }
+  chrome.tabs.getCurrent(function(tab) {
+    if (tab && tab.id != undefined)
+      streamDetails.tabId = tab.id;
+    viewer = new PDFViewer(streamDetails);
+  });
 })();