Introduces the speech recognition UI to app_list.

ui/app_list/views/app_list_view.h

Index: ui/app_list/views/app_list_view.h
diff --git a/ui/app_list/views/app_list_view.h b/ui/app_list/views/app_list_view.h
index 2d273ceeee5938afbe931dc66fcc090b08ef7d4b..0709609292773efe4cb829e04b932bb95d81f972 100644
--- a/ui/app_list/views/app_list_view.h
+++ b/ui/app_list/views/app_list_view.h
@@ -9,6 +9,7 @@
 #include "base/observer_list.h"
 #include "ui/app_list/app_list_export.h"
 #include "ui/app_list/app_list_model_observer.h"
+#include "ui/app_list/speech_ui_model.h"
 #include "ui/views/bubble/bubble_delegate.h"
 
 namespace base {
@@ -27,11 +28,13 @@ class AppListViewDelegate;
 class PaginationModel;
 class SigninDelegate;
 class SigninView;
+class SpeechView;
 
 // AppListView is the top-level view and controller of app list UI. It creates
 // and hosts a AppsGridView and passes AppListModel to it for display.
 class APP_LIST_EXPORT AppListView : public views::BubbleDelegateView,
-                                    public AppListModelObserver {
+                                    public AppListModelObserver,
+                                    public SpeechUIModelObserver {
  public:
   class Observer {
   public:
@@ -136,12 +139,17 @@ class APP_LIST_EXPORT AppListView : public views::BubbleDelegateView,
   // Overridden from AppListModelObserver:
   virtual void OnAppListModelSigninStatusChanged() OVERRIDE;
 
+  // Overridden from SpeechUIModelObserver:
+  virtual void OnSpeechRecognitionStateChanged(
+      SpeechRecognitionState new_state) OVERRIDE;
+
   SigninDelegate* GetSigninDelegate();
 
   scoped_ptr<AppListViewDelegate> delegate_;
 
   AppListMainView* app_list_main_view_;
   SigninView* signin_view_;
+  SpeechView* speech_view_;
 
   ObserverList<Observer> observers_;