Bug 1243982 - Enable browser_webconsole_closure_inspection.js in e10s;r=linclark

MozReview-Commit-ID: BoABzrQsHJd

devtools/client/webconsole/test/browser.ini

@@ -293,7 +293,6 @@ skip-if = e10s && (os == 'win' || os == 'mac') # Bug 1243987
 [browser_webconsole_chrome.js]
 [browser_webconsole_clickable_urls.js]
 [browser_webconsole_closure_inspection.js]
-skip-if = e10s # Bug 1042253 - webconsole tests disabled with e10s
 [browser_webconsole_completion.js]
 [browser_webconsole_console_extras.js]
 [browser_webconsole_console_logging_api.js]

devtools/client/webconsole/test/browser_webconsole_closure_inspection.js

@@ -32,9 +32,11 @@ function test() {
         let deferred = promise.defer();
         fetchScopes(hud, toolbox, panelWin, deferred);
 
-        let button = content.document.querySelector("button");
-        ok(button, "button element found");
-        EventUtils.synthesizeMouseAtCenter(button, {}, content);
+        ContentTask.spawn(gBrowser.selectedBrowser, {}, function*() {
+          let button = content.document.querySelector("button");
+          ok(button, "button element found");
+          button.click();
+        });
 
         return deferred.promise;
       });