Zoom Extension API (chrome)

chrome/browser/ui/views/toolbar/wrench_menu.cc

Index: chrome/browser/ui/views/toolbar/wrench_menu.cc
diff --git a/chrome/browser/ui/views/toolbar/wrench_menu.cc b/chrome/browser/ui/views/toolbar/wrench_menu.cc
index 0ac912d53f42edd48af9356dcf1b1a50f2f1cb48..0cd37055769c44f0f3094eebde74d14fe48eac50 100644
--- a/chrome/browser/ui/views/toolbar/wrench_menu.cc
+++ b/chrome/browser/ui/views/toolbar/wrench_menu.cc
@@ -22,6 +22,7 @@
 #include "chrome/browser/ui/toolbar/wrench_menu_model.h"
 #include "chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.h"
 #include "chrome/browser/ui/views/toolbar/wrench_menu_observer.h"
+#include "chrome/browser/ui/zoom/zoom_controller.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "content/public/browser/host_zoom_map.h"
 #include "content/public/browser/notification_observer.h"
@@ -751,15 +752,14 @@ class WrenchMenu::ZoomView : public WrenchMenuView {
   }
 
   void UpdateZoomControls() {
-    bool enable_increment = false;
-    bool enable_decrement = false;
     WebContents* selected_tab =
         menu()->browser_->tab_strip_model()->GetActiveWebContents();
     int zoom = 100;
-    if (selected_tab)
-      zoom = selected_tab->GetZoomPercent(&enable_increment, &enable_decrement);
-    increment_button_->SetEnabled(enable_increment);
-    decrement_button_->SetEnabled(enable_decrement);
+    if (selected_tab) {
+      zoom = ZoomController::FromWebContents(selected_tab)->GetZoomPercent();
+    }
+    increment_button_->SetEnabled(zoom < selected_tab->GetMaximumZoomPercent());
+    decrement_button_->SetEnabled(zoom > selected_tab->GetMinimumZoomPercent());
     zoom_label_->SetText(
         l10n_util::GetStringFUTF16Int(IDS_ZOOM_PERCENT, zoom));