Always send the full tab object in ExtensionAction click event.

chrome/test/data/extensions/api_test/messaging/connect/test.js

Index: chrome/test/data/extensions/api_test/messaging/connect/test.js
diff --git a/chrome/test/data/extensions/api_test/messaging/connect/test.js b/chrome/test/data/extensions/api_test/messaging/connect/test.js
index 54c58a2386e90d374f52b4ca24362b42cb84bdb8..95a9d1d604e4704f95471a8da8b5c1ac4e14e817 100644
--- a/chrome/test/data/extensions/api_test/messaging/connect/test.js
+++ b/chrome/test/data/extensions/api_test/messaging/connect/test.js
@@ -65,6 +65,9 @@ chrome.test.getConfig(function(config) {
     // Tests that postMessage from the tab and its response works.
     function postMessageFromTab() {
       chrome.extension.onConnect.addListener(function(port) {
+        chrome.test.assertTrue(Boolean(port.sender.tab.url));
+        chrome.test.assertTrue(Boolean(port.sender.tab.title));
+        chrome.test.assertTrue(Boolean(port.sender.tab.id));
         port.onMessage.addListener(function(msg) {
           chrome.test.assertTrue(msg.testPostMessageFromTab);
           port.postMessage({success: true, portName: port.name});