Bug 1147911 Part 4: Fix test to allow for separate file content process. r=ochameau

devtools/client/webconsole/test/browser_webconsole_bug_595223_file_uri.js

@@ -7,7 +7,6 @@
 
 const PREF = "devtools.webconsole.persistlog";
 const TEST_FILE = "test-network.html";
-const TEST_URI = "data:text/html;charset=utf8,<p>test file URI";
 
 var hud;
 
@@ -22,7 +21,9 @@ add_task(function* () {
   dir.append(TEST_FILE);
   let uri = Services.io.newFileURI(dir);
 
-  let { browser } = yield loadTab(TEST_URI);
+  // We need a file remote type to make sure we don't switch processes when we
+  // load the file:// URI.
+  let { browser } = yield loadTab("about:blank", "file");
 
   hud = yield openConsole();
   hud.jsterm.clearOutput();

devtools/client/webconsole/test/head.js

@@ -46,10 +46,10 @@ const DOCS_GA_PARAMS = "?utm_source=mozilla" +
 
 flags.testing = true;
 
-function loadTab(url) {
+function loadTab(url, preferredRemoteType) {
   let deferred = promise.defer();
 
-  let tab = gBrowser.selectedTab = gBrowser.addTab(url);
+  let tab = gBrowser.selectedTab = gBrowser.addTab(url, { preferredRemoteType });
   let browser = gBrowser.getBrowserForTab(tab);
 
   browser.addEventListener("load", function onLoad() {