PlzNavigate: support the WebRequest API

chrome/test/data/extensions/api_test/webrequest/test_simple.js

Index: chrome/test/data/extensions/api_test/webrequest/test_simple.js
diff --git a/chrome/test/data/extensions/api_test/webrequest/test_simple.js b/chrome/test/data/extensions/api_test/webrequest/test_simple.js
index 5a2218dc838d5ee753837db70b87d6ddc8133e8a..1542fa4170f060d9147340a5523feceb8223f3c8 100644
--- a/chrome/test/data/extensions/api_test/webrequest/test_simple.js
+++ b/chrome/test/data/extensions/api_test/webrequest/test_simple.js
@@ -46,7 +46,9 @@ runTests([
       ],
       [  // event order
       ["a-onBeforeRequest", "a-onResponseStarted", "a-onCompleted"] ]);
+      console.log("Before simple load");

[Devlin, 2016/09/16 16:17:26]

nit: remove debugging logs

[clamy, 2016/09/19 15:10:03]

Done.

     navigateAndWait(getURL("simpleLoad/a.html"));
+      console.log("After simple load");
   },
 
   // Navigates to a blank page via HTTP. Only HTTP requests get the
@@ -156,7 +158,9 @@ runTests([
          "onHeadersReceived-2", "onResponseStarted", "onCompleted"] ],
       {urls: ["<all_urls>"]},  // filter
       ["requestHeaders", "responseHeaders"]);
+      console.log("Before simple load redirect");
     navigateAndWait(getURLHttpSimpleLoadRedirect());
+      console.log("After simple load redirect");
   },
 
   // Navigates to a non-existing page.
@@ -182,6 +186,8 @@ runTests([
       ],
       [  // event order
         ["onBeforeRequest", "onErrorOccurred"] ]);
+      console.log("Before does not exist");
     navigateAndWait(getURL("does_not_exist.html"));
+      console.log("After does not exist");
   },
 ]);