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

chrome/renderer/navigation_state.h

 // 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.
 
 #ifndef CHROME_RENDERER_NAVIGATION_STATE_H_
 #define CHROME_RENDERER_NAVIGATION_STATE_H_
 
 #include "base/scoped_ptr.h"
 #include "base/time.h"
 #include "chrome/common/page_transition_types.h"
@@ skipping 193 matching lines @@
     cache_policy_override_ = WebKit::WebURLRequest::UseProtocolCachePolicy;
   }
   bool is_cache_policy_override_set() const {
     return cache_policy_override_set_;
   }
 
   // Indicator if SPDY was used as part of this page load.
   void set_was_fetched_via_spdy(bool value) { was_fetched_via_spdy_ = value; }
   bool was_fetched_via_spdy() const { return was_fetched_via_spdy_; }
 
+  // Whether the frame text contents was translated to a different language.
+  void set_was_translated(bool value) { was_translated_ = value; }
+  bool was_translated() const { return was_translated_; }
+
  private:
   NavigationState(PageTransition::Type transition_type,
                   const base::Time& request_time,
                   bool is_content_initiated,
                   int32 pending_page_id)
       : transition_type_(transition_type),
         load_type_(UNDEFINED_LOAD),
         request_time_(request_time),
         load_histograms_recorded_(false),
         request_committed_(false),
         is_content_initiated_(is_content_initiated),
         pending_page_id_(pending_page_id),
         postpone_loading_data_(false),
         cache_policy_override_set_(false),
         cache_policy_override_(WebKit::WebURLRequest::UseProtocolCachePolicy),
         user_script_idle_scheduler_(NULL),
-        was_fetched_via_spdy_(false) {
+        was_fetched_via_spdy_(false),
+        was_translated_(false) {
   }
 
   PageTransition::Type transition_type_;
   LoadType load_type_;
   base::Time request_time_;
   base::Time start_load_time_;
   base::Time commit_load_time_;
   base::Time finish_document_load_time_;
   base::Time finish_load_time_;
   base::Time first_paint_time_;
@@ skipping 10 matching lines @@
   bool postpone_loading_data_;
   std::string postponed_data_;
 
   bool cache_policy_override_set_;
   WebKit::WebURLRequest::CachePolicy cache_policy_override_;
 
   scoped_ptr<UserScriptIdleScheduler> user_script_idle_scheduler_;
 
   bool was_fetched_via_spdy_;
 
+  bool was_translated_;
+
   DISALLOW_COPY_AND_ASSIGN(NavigationState);
 };
 
 #endif  // CHROME_RENDERER_NAVIGATION_STATE_H_