Introduces the speech recognition UI to app_list.

ui/app_list/search_box_model.cc

Index: ui/app_list/search_box_model.cc
diff --git a/ui/app_list/search_box_model.cc b/ui/app_list/search_box_model.cc
index d84b33c708e3f3c41efa8af451d28ef44033ba7b..cd884a7d20d61efae4e6413164bae6296ea574de 100644
--- a/ui/app_list/search_box_model.cc
+++ b/ui/app_list/search_box_model.cc
@@ -9,18 +9,14 @@
 
 namespace app_list {
 
-SearchBoxModel::ToggleButtonProperty::ToggleButtonProperty(
+SearchBoxModel::ButtonProperty::ButtonProperty(
     const gfx::ImageSkia& icon,
-    const gfx::ImageSkia& toggled_icon,
-    const base::string16& tooltip,
-    const base::string16& toggled_tooltip)
+    const base::string16& tooltip)
     : icon(icon),
-      toggled_icon(toggled_icon),
-      tooltip(tooltip),
-      toggled_tooltip(toggled_tooltip) {
+      tooltip(tooltip) {
 }
 
-SearchBoxModel::ToggleButtonProperty::~ToggleButtonProperty() {
+SearchBoxModel::ButtonProperty::~ButtonProperty() {
 }
 
 SearchBoxModel::SearchBoxModel() {
@@ -35,19 +31,13 @@ void SearchBoxModel::SetIcon(const gfx::ImageSkia& icon) {
 }
 
 void SearchBoxModel::SetSpeechRecognitionButton(
-    scoped_ptr<SearchBoxModel::ToggleButtonProperty> speech_button) {
+    scoped_ptr<SearchBoxModel::ButtonProperty> speech_button) {
   speech_button_ = speech_button.Pass();
   FOR_EACH_OBSERVER(SearchBoxModelObserver,
                     observers_,
                     SpeechRecognitionButtonPropChanged());
 }
 
-void SearchBoxModel::SetSpeechRecognitionButtonState(bool toggled) {
-  FOR_EACH_OBSERVER(SearchBoxModelObserver,
-                    observers_,
-                    SetSpeechRecognitionButtonState(toggled));
-}
-
 void SearchBoxModel::SetHintText(const base::string16& hint_text) {
   if (hint_text_ == hint_text)
     return;