The translate feature was only translating the main frame of the page....

chrome/renderer/translate/page_translator_unittest.cc

 // Copyright (c) 2010 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/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "chrome/renderer/translate/page_translator.h"
 #include "chrome/test/render_view_test.h"
 #include "net/base/net_errors.h"
@@ skipping 151 matching lines @@
                                         static_cast<int>(size)));
     buffer[static_cast<size_t>(size)] = '\0';
     LoadHTML(buffer.get());
 
     WebKit::WebFrame* web_frame = GetMainFrame();
     ASSERT_TRUE(web_frame);
 
     // Translate it.
     ReverseTextTranslator text_translator;
     PageTranslator translator(&text_translator, NULL);
-    translator.Translate(0, web_frame, "en", "fr");
+    translator.TranslatePage(0, web_frame, "en", "fr");
 
     // Translation is asynchronous, so we need to process the pending messages
     // to make it happen.
     MessageLoop::current()->RunAllPending();
 
     WebKit::WebString actual_translated_contents = web_frame->contentAsMarkup();
 
     // Load the translated page.
     ASSERT_TRUE(file_util::GetFileSize(translated_file_path, &size));
     buffer.reset(new char[static_cast<size_t>(size) + 1]);
@@ skipping 20 matching lines @@
       string16 expected(expected_translated_contents.data() + index, len);
       string16 actual(actual_translated_contents.data() + index, len);
       ASSERT_EQ(expected, actual);
       index += 80;
     }
 
     // Iterate to the next file to test.
     original_file_path = file_enumerator.Next();
   }
 }