cros: add new search box hint text for launcher

chrome/browser/ui/app_list/search/search_resource_manager.cc

Index: chrome/browser/ui/app_list/search/search_resource_manager.cc
diff --git a/chrome/browser/ui/app_list/search/search_resource_manager.cc b/chrome/browser/ui/app_list/search/search_resource_manager.cc
index fcf3fa499219a1f60043ff5b2e689cdba27c5b5c..26703368ee87d01c683d84861e9d78d067197d29 100644
--- a/chrome/browser/ui/app_list/search/search_resource_manager.cc
+++ b/chrome/browser/ui/app_list/search/search_resource_manager.cc
@@ -8,6 +8,7 @@
 #include "chrome/browser/ui/app_list/start_page_service.h"
 #include "chrome/grit/generated_resources.h"
 #include "chrome/grit/theme_resources.h"
+#include "ui/app_list/app_list_features.h"
 #include "ui/app_list/search_box_model.h"
 #include "ui/app_list/speech_ui_model.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -40,8 +41,10 @@ SearchResourceManager::SearchResourceManager(Profile* profile,
       speech_ui_(speech_ui) {
   speech_ui_->AddObserver(this);
 
-  search_box_->SetAccessibleName(
-      l10n_util::GetStringUTF16(IDS_SEARCH_BOX_HINT));
+  fullscreen_app_list_enabled_ = features::IsFullscreenAppListEnabled();
+  search_box_->SetAccessibleName(l10n_util::GetStringUTF16(
+      fullscreen_app_list_enabled_ ? IDS_SEARCH_BOX_HINT_FULLSCREEN
+                                   : IDS_SEARCH_BOX_HINT));
   OnSpeechRecognitionStateChanged(speech_ui_->state());
 }
 
@@ -51,9 +54,15 @@ SearchResourceManager::~SearchResourceManager() {
 
 void SearchResourceManager::OnSpeechRecognitionStateChanged(
     SpeechRecognitionState new_state) {
-  search_box_->SetHintText(l10n_util::GetStringUTF16(
-      (new_state == SPEECH_RECOGNITION_HOTWORD_LISTENING) ?
-      IDS_SEARCH_BOX_HOTWORD_HINT : IDS_SEARCH_BOX_HINT));
+  if (fullscreen_app_list_enabled_) {
+    search_box_->SetHintText(
+        l10n_util::GetStringUTF16(IDS_SEARCH_BOX_HINT_FULLSCREEN));
+  } else {
+    search_box_->SetHintText(l10n_util::GetStringUTF16(
+        (new_state == SPEECH_RECOGNITION_HOTWORD_LISTENING)
+            ? IDS_SEARCH_BOX_HOTWORD_HINT
+            : IDS_SEARCH_BOX_HINT));
+  }
   search_box_->SetSpeechRecognitionButton(CreateNewProperty(new_state));
 }