Translate: New Bubble UX (for the view toolkit)

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index 799f03cceb2eb21a405d876e139a27fe86ebb60c..98fa247aa135ce8edce9cb84e72a6fc7cdb13243 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -85,6 +85,7 @@
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
+#include "chrome/browser/translate/translate_tab_helper.h"
 #include "chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.h"
 #include "chrome/browser/ui/autofill/tab_autofill_manager_delegate.h"
 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
@@ -1759,6 +1760,11 @@ void Browser::OnZoomChanged(content::WebContents* source,
   }
 }
 
+void Browser::OnTranslateEnabledChanged(content::WebContents* source) {
+  if (source == tab_strip_model_->GetActiveWebContents())
+    window_->UpdateToolbar(source);
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, ui::SelectFileDialog::Listener implementation:
 
@@ -2087,6 +2093,9 @@ void Browser::SetAsDelegate(WebContents* web_contents, Browser* delegate) {
   CoreTabHelper::FromWebContents(web_contents)->set_delegate(delegate);
   SearchEngineTabHelper::FromWebContents(web_contents)->set_delegate(delegate);
   ZoomController::FromWebContents(web_contents)->set_observer(delegate);
+  TranslateTabHelper* translate_tab_helper =
+      TranslateTabHelper::FromWebContents(web_contents);
+  translate_tab_helper->language_state().set_observer(delegate);
 }
 
 void Browser::CloseFrame() {