Port back CLD to Linux and Mac and fix Trad Chinese detection

chrome/browser/extensions/extension_browsertests_misc.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/ref_counted.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/extensions/autoupdate_interceptor.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
@@ skipping 71 matching lines @@
   ExtensionProcessManager* manager =
       browser()->profile()->GetExtensionProcessManager();
   ExtensionHost* host = FindHostWithPath(manager, "/toolstrip1.html", 3);
 
   // Tell it to run some JavaScript that tests that basic extension code works.
   bool result = false;
   ui_test_utils::ExecuteJavaScriptAndExtractBool(
       host->render_view_host(), L"", L"testTabsAPI()", &result);
   EXPECT_TRUE(result);
 
-#if defined(OS_WIN)
-  // http://crbug.com/29896 - tabs.detectLanguage is Windows only
-
   // 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::NavigateToURL(browser(), net::FilePathToFileURL(language_url));
 
   ui_test_utils::ExecuteJavaScriptAndExtractBool(
       host->render_view_host(), L"", L"testTabsLanguageAPI()", &result);
   EXPECT_TRUE(result);
-#endif
 }
 
 IN_PROC_BROWSER_TEST_F(ExtensionBrowserTest, ExtensionViews) {
   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 three ExtensionHosts loaded because this
   // extension has two toolstrips and one background page. Find the one that is
@@ skipping 693 matching lines @@
 
   // If the options page hasn't already come up, wait for it.
   if (tab_strip->count() == 1) {
     ui_test_utils::WaitForNewTab(browser());
   }
   ASSERT_EQ(2, tab_strip->count());
 
   EXPECT_EQ(extension->GetResourceURL("options.html"),
             tab_strip->GetTabContentsAt(1)->GetURL());
 }