DevTools: fix the ipv6 har test in the oopif mode.

Bug: 795333
Change-Id: Iec3bfa4f6ed0f10813f20fbc93e3422cd094334a
Reviewed-on: https://chromium-review.googlesource.com/830606Reviewed-by: Pavel Feldman <pfeldman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#524532}

third_party/WebKit/LayoutTests/http/tests/devtools/resource-parameters-ipv6-expected.txt

@@ -5,6 +5,7 @@ http://[::1]:8000/devtools/resources/post-target.cgi?queryParam1=queryValue1&que
     cache : {
     }
     connection : <string>
+    pageref : "page_1"
     request : {
         bodySize : <number>
         cookies : [

third_party/WebKit/LayoutTests/http/tests/devtools/resource-parameters-ipv6.js

@@ -5,20 +5,21 @@
 (async function() {
   TestRunner.addResult(`Tests that resources panel shows form data parameters.\n`);
   await TestRunner.loadModule('network_test_runner');
-  await TestRunner.loadHTML(`
-      <form target="target-iframe" method="POST" action="http://[::1]:8000/devtools/resources/post-target.cgi?queryParam1=queryValue1&amp;queryParam2=#fragmentParam1=fragmentValue1&amp;fragmentParam2=">
+  await TestRunner.navigatePromise('http://[::1]:8000/devtools/resources/inspected-page.html');
+  await TestRunner.evaluateInPagePromise(`
+      document.write(\`<form target="target-iframe" method="POST" action="http://[::1]:8000/devtools/resources/post-target.cgi?queryParam1=queryValue1&amp;queryParam2=#fragmentParam1=fragmentValue1&amp;fragmentParam2=">
       <input name="formParam1" value="formValue1">
       <input name="formParam2">
       <input id="submit" type="submit">
       </form>
       <iframe name="target-iframe"></iframe>
-    `);
-  await TestRunner.evaluateInPagePromise(`
+      <script>
       function submit()
       {
           document.getElementById("submit").click();
       }
-  `);
+      </script>
+    \`)`);
 
   TestRunner.evaluateInPage('submit()');
   TestRunner.networkManager.addEventListener(SDK.NetworkManager.Events.RequestFinished, onRequestFinished);