Plumb preamble log data from the hotword extension into the speech recognizer.

chrome/browser/ui/app_list/app_list_view_delegate.h

 // Copyright (c) 2012 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_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
 #define CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/compiler_specific.h"
+#include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/observer_list.h"
 #include "base/scoped_observer.h"
 #include "chrome/browser/profiles/profile_info_cache_observer.h"
 #include "chrome/browser/search/hotword_client.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/ui/app_list/start_page_observer.h"
 #include "components/signin/core/browser/signin_manager_base.h"
 #include "content/public/browser/notification_observer.h"
@@ skipping 11 matching lines @@
 class LauncherPageEventDispatcher;
 class SearchController;
 class SearchResourceManager;
 class SpeechUIModel;
 }
 
 namespace base {
 class FilePath;
 }
 
+namespace content {
+struct SpeechRecognitionSessionPreamble;
+}
+
 namespace gfx {
 class ImageSkia;
 }
 
 #if defined(USE_ASH)
 class AppSyncUIStateWatcher;
 #endif
 
 class AppListViewDelegate : public app_list::AppListViewDelegate,
                             public app_list::StartPageObserver,
                             public HotwordClient,
                             public ProfileInfoCacheObserver,
                             public SigninManagerBase::Observer,
                             public SigninManagerFactory::Observer,
                             public content::NotificationObserver {
  public:
   // Constructs Chrome's AppListViewDelegate with a NULL Profile.
   // Does not take ownership of |controller|. TODO(tapted): It should.
   explicit AppListViewDelegate(AppListControllerDelegate* controller);
   ~AppListViewDelegate() override;
 
   // Configure the AppList for the given |profile|.
   void SetProfile(Profile* profile);
   Profile* profile() { return profile_; }
 
+  // Invoked to toggle the status of speech recognition based on a hotword
+  // trigger.
+  void ToggleSpeechRecognitionForHotword(
+      const scoped_refptr<content::SpeechRecognitionSessionPreamble>& preamble);
+
   // Overridden from app_list::AppListViewDelegate:
   bool ForceNativeDesktop() const override;
   void SetProfileByPath(const base::FilePath& profile_path) override;
   app_list::AppListModel* GetModel() override;
   app_list::SpeechUIModel* GetSpeechUI() override;
   void GetShortcutPathForApp(
       const std::string& app_id,
       const base::Callback<void(const base::FilePath&)>& callback) override;
   void StartSearch() override;
   void StopSearch() override;
@@ skipping 38 matching lines @@
   void SetUpCustomLauncherPages();
 
   // Overridden from app_list::StartPageObserver:
   void OnSpeechResult(const base::string16& result, bool is_final) override;
   void OnSpeechSoundLevelChanged(int16 level) override;
   void OnSpeechRecognitionStateChanged(
       app_list::SpeechRecognitionState new_state) override;
 
   // Overridden from HotwordClient:
   void OnHotwordStateChanged(bool started) override;
-  void OnHotwordRecognized() override;
+  void OnHotwordRecognized(
+      const scoped_refptr<content::SpeechRecognitionSessionPreamble>& preamble)
+      override;
 
   // Overridden from SigninManagerFactory::Observer:
   void SigninManagerCreated(SigninManagerBase* manager) override;
   void SigninManagerShutdown(SigninManagerBase* manager) override;
 
   // Overridden from SigninManagerBase::Observer:
   void GoogleSigninFailed(const GoogleServiceAuthError& error) override;
   void GoogleSigninSucceeded(const std::string& account_id,
                              const std::string& username,
                              const std::string& password) override;
@@ skipping 49 matching lines @@
   // Window contents of additional custom launcher pages.
   ScopedVector<apps::CustomLauncherPageContents> custom_page_contents_;
 
   // Registers for NOTIFICATION_APP_TERMINATING to unload custom launcher pages.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListViewDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_