This CL makes the TranslationService class send the text to be translated to ...

chrome/browser/tab_contents/tab_contents.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 "chrome/browser/tab_contents/tab_contents.h"
 
 #include "app/gfx/text_elider.h"
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/file_version_info.h"
@@ skipping 27 matching lines @@
 #include "chrome/browser/metrics/metric_event_duration_details.h"
 #include "chrome/browser/modal_html_dialog_delegate.h"
 #include "chrome/browser/omnibox_search_hint.h"
 #include "chrome/browser/password_manager/password_manager.h"
 #include "chrome/browser/plugin_installer.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/renderer_host/render_process_host.h"
 #include "chrome/browser/renderer_host/render_widget_host_view.h"
 #include "chrome/browser/renderer_host/resource_request_details.h"
 #include "chrome/browser/renderer_host/site_instance.h"
+#include "chrome/browser/renderer_host/translation_service.h"
 #include "chrome/browser/renderer_host/web_cache_manager.h"
 #include "chrome/browser/renderer_preferences_util.h"
 #include "chrome/browser/sessions/session_types.h"
 #include "chrome/browser/tab_contents/infobar_delegate.h"
 #include "chrome/browser/tab_contents/interstitial_page.h"
 #include "chrome/browser/tab_contents/navigation_entry.h"
 #include "chrome/browser/tab_contents/provisional_load_details.h"
 #include "chrome/browser/tab_contents/tab_contents_delegate.h"
 #include "chrome/browser/tab_contents/tab_contents_view.h"
 #include "chrome/browser/tab_contents/thumbnail_generator.h"
@@ skipping 1742 matching lines @@
         hs->SetPageContents(url, contents);
     }
   }
 
   NavigationEntry* entry = controller_.GetActiveEntry();
   if (process()->id() == renderer_process_id &&
       entry && entry->page_id() == page_id) {
     entry->set_language(language);
   }
 
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kAutoPageTranslate) &&
+      TranslationService::IsTranslationEnabled()) {
+    std::string locale = g_browser_process->GetApplicationLocale();

[jungshik at Google, 2010/01/30 01:27:17]

nit: perhaps, s/locale/ui_language/ and s/language/page_language/ would be
clearer.

+    if (!locale.empty() && locale != language) {
+      // Don't translate the NTP, download page, history...
+      if (entry && !entry->url().SchemeIs("chrome") &&
+          TranslationService::ShouldTranslatePage(language, locale)) {
+        render_view_host()->TranslatePage(entry->page_id(), language, locale);
+      }
+    }
+  }
+
   std::string lang = language;
   NotificationService::current()->Notify(
       NotificationType::TAB_LANGUAGE_DETERMINED,
       Source<RenderViewHost>(render_view_host()),
       Details<std::string>(&lang));
 }
 
 void TabContents::DidStartProvisionalLoadForFrame(
     RenderViewHost* render_view_host,
     bool is_main_frame,
@@ skipping 924 matching lines @@
   render_view_host()->JavaScriptMessageBoxClosed(reply_msg, success, prompt);
 }
 
 void TabContents::SetSuppressMessageBoxes(bool suppress_message_boxes) {
   set_suppress_javascript_messages(suppress_message_boxes);
 }
 
 void TabContents::set_encoding(const std::string& encoding) {
   encoding_ = CharacterEncoding::GetCanonicalEncodingNameByAliasName(encoding);
 }