Default zoom was never read from chrome://settings

chrome/browser/ui/browser_command_controller.cc

Index: chrome/browser/ui/browser_command_controller.cc
diff --git a/chrome/browser/ui/browser_command_controller.cc b/chrome/browser/ui/browser_command_controller.cc
index dab47afe964b7729fbb903d9d35ac8386b6b147e..534437f0f94fe377fcf9440dbfe243d1d19c4107 100644
--- a/chrome/browser/ui/browser_command_controller.cc
+++ b/chrome/browser/ui/browser_command_controller.cc
@@ -1138,9 +1138,12 @@ void BrowserCommandController::UpdateCommandsForZoomState() {
       browser_->tab_strip_model()->GetActiveWebContents();
   if (!contents)
     return;
-  command_updater_.UpdateCommandEnabled(IDC_ZOOM_PLUS, CanZoomIn(contents));
-  command_updater_.UpdateCommandEnabled(IDC_ZOOM_NORMAL, ActualSize(contents));
-  command_updater_.UpdateCommandEnabled(IDC_ZOOM_MINUS, CanZoomOut(contents));
+  command_updater_.UpdateCommandEnabled(IDC_ZOOM_PLUS,
+                                        IsAtMaximumZoom(contents));
+  command_updater_.UpdateCommandEnabled(IDC_ZOOM_NORMAL,
+                                        IsAtDefaultZoom(contents));
+  command_updater_.UpdateCommandEnabled(IDC_ZOOM_MINUS,
+                                        IsAtMinimumZoom(contents));
 }
 
 void BrowserCommandController::UpdateCommandsForContentRestrictionState() {