Make all content scripts from an extension run in the same

chrome/test/data/extensions/api_test/isolated_world2/background.html

Index: chrome/test/data/extensions/api_test/isolated_world2/background.html
diff --git a/chrome/test/data/extensions/api_test/isolated_world2/background.html b/chrome/test/data/extensions/api_test/isolated_world2/background.html
new file mode 100644
index 0000000000000000000000000000000000000000..731182f7141f6d3e024e328d5d406d84d4fe5b93
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/isolated_world2/background.html
@@ -0,0 +1,18 @@
+<script>
+chrome.extension.onConnect.addListener(function(port) {
+  chrome.test.log("got connect");
+  port.onMessage.addListener(function(msg) {
+    chrome.test.log("got message: " + msg);
+    chrome.test.assertTrue(msg);
+    chrome.test.notifyPass();
+  });
+});
+
+chrome.tabs.getAllInWindow(null, function(tabs) {
+  chrome.test.log("Got tabs: " + JSON.stringify(tabs));
+
+  // The last tab is the one that the other extension should have run scripts
+  // in.
+  chrome.tabs.executeScript(tabs.pop().id, {file: "a.js"});
+});
+</script>