Make all content scripts from an extension run in the same

chrome/test/data/extensions/api_test/isolated_world1/manifest.json

Index: chrome/test/data/extensions/api_test/isolated_world1/manifest.json
diff --git a/chrome/test/data/extensions/api_test/isolated_world1/manifest.json b/chrome/test/data/extensions/api_test/isolated_world1/manifest.json
new file mode 100644
index 0000000000000000000000000000000000000000..0528cddc24a4a4d58c039355c8b49830b9ec5f23
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/isolated_world1/manifest.json
@@ -0,0 +1,17 @@
+{
+  "name": "isolated world 1",
+  "version": "0.1",
+  "description": "tests that all scripts from an extension run in the same isolated world",
+  "background_page": "background.html",
+  "permissions": ["http://*/*", "tabs"],
+  "content_scripts": [
+    {
+      "matches": ["http://*/*"],
+      "js": ["a.js"]
+    },
+    {
+      "matches": ["http://*/*"],
+      "js": ["b.js"]
+    }
+  ]
+}