Translate: browser test for Chrome Translate in an isolated world

chrome/renderer/translate/translate_helper.cc

 // Copyright (c) 2012 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 "chrome/renderer/translate/translate_helper.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 339 matching lines @@
   TranslateCommonMetrics::ReportPageScheme(url.scheme());
 
   // Set up v8 isolated world with proper content-security-policy and
   // security-origin.
   WebFrame* frame = GetMainFrame();
   if (frame) {
     frame->setIsolatedWorldContentSecurityPolicy(
         chrome::ISOLATED_WORLD_ID_TRANSLATE,
         WebString::fromUTF8(kContentSecurityPolicy));
 
+    std::string security_origin(kSecurityOrigin);
+    CommandLine* command_line = CommandLine::ForCurrentProcess();
+    if (command_line->HasSwitch(switches::kTranslateSecurityOrigin)) {
+      security_origin =
+          command_line->GetSwitchValueASCII(switches::kTranslateSecurityOrigin);
+    }
     frame->setIsolatedWorldSecurityOrigin(
         chrome::ISOLATED_WORLD_ID_TRANSLATE,
-        WebSecurityOrigin::create(GURL(kSecurityOrigin)));
+        WebSecurityOrigin::create(GURL(security_origin)));
   }
 
   if (!IsTranslateLibAvailable()) {
     // Evaluate the script to add the translation related method to the global
     // context of the page.
     ExecuteScript(translate_script);
     DCHECK(IsTranslateLibAvailable());
   }
 
   TranslatePageImpl(0);
@@ skipping 119 matching lines @@
 
 WebFrame* TranslateHelper::GetMainFrame() {
   WebView* web_view = render_view()->GetWebView();
 
   // When the tab is going to be closed, the web_view can be NULL.
   if (!web_view)
     return NULL;
 
   return web_view->mainFrame();
 }