Injected CSS localization fix (see bug no.)

chrome/test/data/extensions/api_test/content_scripts/css_l10n/background.html

+<script>
+
+var firstEnter = true;
+
+chrome.test.getConfig(function(config) {
+  chrome.test.log('Creating tab...');
+
+  var URL = 'http://localhost:PORT/files/extensions/test_file_with_body.html';
+  var TEST_FILE_URL = URL.replace(/PORT/, config.testServer.port);
+
+  chrome.tabs.onUpdated.addListener(function(tabId, changeInfo, tab) {
+    if (changeInfo.status != 'complete')
+      return;
+    if (!firstEnter)
+      return;
+    firstEnter = false;
+
+    // We need to test two different paths, because the message bundles used
+    // for localization are loaded differently in each case:
+    //   (1) localization upon loading extension scripts
+    //   (2) localization upon injecting CSS with JavaScript
+    chrome.test.runTests([
+
+    // Tests that CSS loaded automatically from the files specified in the
+    // manifest has had __MSG_@@extension_id__ replaced with the actual
+    // extension id.
+    function extensionIDMessageGetsReplacedInContentScriptCSS() {
+      chrome.extension.onRequest.addListener(
+        function(request, sender, sendResponse) {
+          if (request.tag == 'extension_id') {
+            if (request.message == 'passed') {
+              chrome.test.succeed();
+            } else {
+              chrome.test.fail(request.message);
+            }
+          }
+        }
+      );
+      var script_file = {};
+      script_file.file = 'test_extension_id.js';
+      chrome.tabs.executeScript(tabId, script_file);
+    },
+
+    // First injects CSS into the page through chrome.tabs.insertCSS and then
+    // checks that it has had __MSG_text_color__ replaced with the correct
+    // message value.
+    function textDirectionMessageGetsReplacedInInsertCSSCall() {
+      chrome.extension.onRequest.addListener(
+        function(request, sender, sendResponse) {
+          if (request.tag == 'paragraph_style') {
+            if (request.message == 'passed') {
+              chrome.test.succeed();
+            } else {
+              chrome.test.fail(request.message);
+            }
+          }
+        }
+      );
+      var css_file = {};
+      css_file.file = 'test.css';
+      chrome.tabs.insertCSS(tabId, css_file, function() {
+        var script_file = {};
+        script_file.file = 'test_paragraph_style.js';
+        chrome.tabs.executeScript(tabId,script_file);
+      });
+    }
+
+    ]);
+  });
+
+  chrome.tabs.create({ url: TEST_FILE_URL });
+});
+
+</script>