Move Translate browser-side IPC handling to the component.

chrome/browser/translate/chrome_translate_client.h

 // 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.
 
 #ifndef CHROME_BROWSER_TRANSLATE_CHROME_TRANSLATE_CLIENT_H_
 #define CHROME_BROWSER_TRANSLATE_CHROME_TRANSLATE_CLIENT_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/translate/translate_bubble_model.h"
 #include "components/translate/content/browser/browser_cld_data_provider.h"
 #include "components/translate/content/browser/content_translate_driver.h"
 #include "components/translate/core/browser/translate_client.h"
 #include "components/translate/core/browser/translate_step.h"
 #include "components/translate/core/common/translate_errors.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_user_data.h"
 
-namespace base {
-class File;
-}  // namespace base
-
 namespace content {
 class BrowserContext;
 class WebContents;
 }  // namespace content
 
 namespace test {
 class ScopedCLDDynamicDataHarness;
 }  // namespace test
 
 class PrefService;
 
 namespace translate {
-struct LanguageDetectionDetails;
 class LanguageState;
 class TranslateAcceptLanguages;
 class TranslatePrefs;
 class TranslateManager;
 }  // namespace translate
 
 class ChromeTranslateClient
     : public translate::TranslateClient,
+      public translate::ContentTranslateDriver::Observer,
       public content::WebContentsObserver,
       public content::WebContentsUserData<ChromeTranslateClient> {
  public:
   virtual ~ChromeTranslateClient();
 
   // Gets the LanguageState associated with the page.
   translate::LanguageState& GetLanguageState();
 
   // Returns the ContentTranslateDriver instance associated with this
   // WebContents.
@@ skipping 38 matching lines @@
       scoped_ptr<translate::TranslateInfoBarDelegate> delegate) const OVERRIDE;
   virtual void ShowTranslateUI(translate::TranslateStep step,
                                const std::string source_language,
                                const std::string target_language,
                                translate::TranslateErrors::Type error_type,
                                bool triggered_from_menu) OVERRIDE;
   virtual bool IsTranslatableURL(const GURL& url) OVERRIDE;
   virtual void ShowReportLanguageDetectionErrorUI(
       const GURL& report_url) OVERRIDE;
 
+  // TranslateDriver::Observer implementation.

[Takashi Toyoshima, 2014/09/16 06:32:47]

ContentTranslateDriver::Observer?

+  virtual void OnLanguageDetermined(
+      const translate::LanguageDetectionDetails& details) OVERRIDE;
+  virtual void OnPageTranslated(
+      const std::string& original_lang,
+      const std::string& translated_lang,
+      translate::TranslateErrors::Type error_type) OVERRIDE;
+
  private:
   explicit ChromeTranslateClient(content::WebContents* web_contents);
   friend class content::WebContentsUserData<ChromeTranslateClient>;
 
   // content::WebContentsObserver implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void WebContentsDestroyed() OVERRIDE;
 
-  // IPC handlers.
-  void OnTranslateAssignedSequenceNumber(int page_seq_no);
-  void OnLanguageDetermined(const translate::LanguageDetectionDetails& details,
-                            bool page_needs_translation);
-  void OnPageTranslated(const std::string& original_lang,
-                        const std::string& translated_lang,
-                        translate::TranslateErrors::Type error_type);
-
   // Shows the translate bubble.
   void ShowBubble(translate::TranslateStep step,
                   translate::TranslateErrors::Type error_type);
 
   translate::ContentTranslateDriver translate_driver_;
   scoped_ptr<translate::TranslateManager> translate_manager_;
 
   // Provides CLD data for this process.
   scoped_ptr<translate::BrowserCldDataProvider> cld_data_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeTranslateClient);
 };
 
 #endif  // CHROME_BROWSER_TRANSLATE_CHROME_TRANSLATE_CLIENT_H_