Make all content scripts from an extension run in the same

chrome/renderer/render_view.cc

Index: chrome/renderer/render_view.cc
diff --git a/chrome/renderer/render_view.cc b/chrome/renderer/render_view.cc
index 6888fbb72d18e4b408bcd8adebf444b382260516..58a141c4f1c5bb0190093f83f9f46a11c5d1e3f4 100644
--- a/chrome/renderer/render_view.cc
+++ b/chrome/renderer/render_view.cc
@@ -3594,8 +3594,9 @@ void RenderView::OnExecuteCode(int request_id, const std::string& extension_id,
     sources.push_back(
         WebScriptSource(WebString::fromUTF8(code_string)));
     UserScriptSlave::InsertInitExtensionCode(&sources, extension_id);
-    main_frame->executeScriptInNewWorld(&sources.front(), sources.size(),
-                                        EXTENSION_GROUP_CONTENT_SCRIPTS);
+    main_frame->executeScriptInIsolatedWorld(
+        UserScriptSlave::GetIsolatedWorldId(extension_id),
+        &sources.front(), sources.size(), EXTENSION_GROUP_CONTENT_SCRIPTS);
   } else {
     main_frame->insertStyleText(WebString::fromUTF8(code_string), WebString());
   }