Restore non-static CLD data functionality.

components/translate/content/browser/content_translate_driver.cc

 // Copyright 2014 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 "components/translate/content/browser/content_translate_driver.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
+#include "components/translate/content/browser/browser_cld_data_provider.h"
+#include "components/translate/content/browser/browser_cld_data_provider_factory.h"
 #include "components/translate/content/common/translate_messages.h"
 #include "components/translate/core/browser/translate_download_manager.h"
 #include "components/translate/core/browser/translate_manager.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/page_navigator.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_contents.h"
@@ skipping 10 matching lines @@
 }  // namespace
 
 namespace translate {
 
 ContentTranslateDriver::ContentTranslateDriver(
     content::NavigationController* nav_controller)
     : content::WebContentsObserver(nav_controller->GetWebContents()),
       navigation_controller_(nav_controller),
       translate_manager_(NULL),
       max_reload_check_attempts_(kMaxTranslateLoadCheckAttempts),
+      cld_data_provider_(
+          translate::BrowserCldDataProviderFactory::Get()->
+          CreateBrowserCldDataProvider(nav_controller->GetWebContents())),
       weak_pointer_factory_(this) {
   DCHECK(navigation_controller_);
 }
 
 ContentTranslateDriver::~ContentTranslateDriver() {}
 
 void ContentTranslateDriver::AddObserver(Observer* observer) {
   observer_list_.AddObserver(observer);
 }
 
@@ skipping 159 matching lines @@
     content::RenderFrameHost* render_frame_host) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ContentTranslateDriver, message)
     IPC_MESSAGE_HANDLER(ChromeFrameHostMsg_TranslateAssignedSequenceNumber,
                         OnTranslateAssignedSequenceNumber)
     IPC_MESSAGE_HANDLER(ChromeFrameHostMsg_TranslateLanguageDetermined,
                         OnLanguageDetermined)
     IPC_MESSAGE_HANDLER(ChromeFrameHostMsg_PageTranslated, OnPageTranslated)
   IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
+  if (!handled) {
+    // The CLD Data Provider may have its own embedder-specific communication,
+    // such as transferring the file handle for a CLD data file to the render
+    // process.
+    handled = cld_data_provider_->OnMessageReceived(message);
+  }
   return handled;
 }
 
 void ContentTranslateDriver::OnTranslateAssignedSequenceNumber(
     int page_seq_no) {
   translate_manager_->set_current_seq_no(page_seq_no);
 }
 
 void ContentTranslateDriver::OnLanguageDetermined(
     const LanguageDetectionDetails& details,
@@ skipping 13 matching lines @@
     TranslateErrors::Type error_type) {
   translate_manager_->PageTranslated(
       original_lang, translated_lang, error_type);
   FOR_EACH_OBSERVER(
       Observer,
       observer_list_,
       OnPageTranslated(original_lang, translated_lang, error_type));
 }
 
 }  // namespace translate