[chromium-reviews] Add getLanguage function to tabs extension

chrome/browser/extensions/extension_browsertests_misc.cc

Index: chrome/browser/extensions/extension_browsertests_misc.cc
===================================================================
--- chrome/browser/extensions/extension_browsertests_misc.cc	(revision 20334)
+++ chrome/browser/extensions/extension_browsertests_misc.cc	(working copy)
@@ -43,10 +43,10 @@
 
 // Tests that toolstrips initializes properly and can run basic extension js.
 IN_PROC_BROWSER_TEST_F(ExtensionBrowserTest, Toolstrip) {
-  ASSERT_TRUE(LoadExtension(
-      test_data_dir_.AppendASCII("good").AppendASCII("Extensions")
-                    .AppendASCII("behllobkkfkfnphdnhnkndlbkcpglgmj")
-                    .AppendASCII("1.0.0.0")));
+  FilePath extension_test_data_dir = test_data_dir_.AppendASCII("good").
+      AppendASCII("Extensions").AppendASCII("behllobkkfkfnphdnhnkndlbkcpglgmj").
+      AppendASCII("1.0.0.0");
+  ASSERT_TRUE(LoadExtension(extension_test_data_dir));
 
   // At this point, there should be two ExtensionHosts loaded because this
   // extension has two toolstrips. Find the one that is hosting toolstrip1.html.
@@ -59,6 +59,22 @@
   ui_test_utils::ExecuteJavaScriptAndExtractBool(
       host->render_view_host(), L"", L"testTabsAPI()", &result);
   EXPECT_TRUE(result);
+
+#if defined(OS_WIN)
+  // Test for compact language detection API. First navigate to a (static) html
+  // file with a French sentence. Then, run the test API in toolstrip1.html to
+  // actually call the language detection API through the existing extension,
+  // and verify that the language returned is indeed French.
+  FilePath language_url = extension_test_data_dir.AppendASCII(
+      "french_sentence.html");
+  ui_test_utils::NavigateToURL(
+      browser(),
+      GURL(language_url.ToWStringHack()));
+
+  ui_test_utils::ExecuteJavaScriptAndExtractBool(
+      host->render_view_host(), L"", L"testTabsLanguageAPI()", &result);
+  EXPECT_TRUE(result);
+#endif
 }
 
 // Tests that the ExtensionShelf initializes properly, notices that