Default zoom was never read from chrome://settings

chrome/browser/ui/browser_commands.cc

Index: chrome/browser/ui/browser_commands.cc
diff --git a/chrome/browser/ui/browser_commands.cc b/chrome/browser/ui/browser_commands.cc
index 3f822393e59a5b698f0bc9fabeda44f1c5b8bb52..62ed1ccc417d79fe05efefd3943038c36b422918 100644
--- a/chrome/browser/ui/browser_commands.cc
+++ b/chrome/browser/ui/browser_commands.cc
@@ -564,24 +564,23 @@ void CloseTab(Browser* browser) {
   browser->tab_strip_model()->CloseSelectedTabs();
 }
 
-bool CanZoomIn(content::WebContents* contents) {
+bool IsAtMaximumZoom(content::WebContents* contents) {
   ui_zoom::ZoomController* zoom_controller =
       ui_zoom::ZoomController::FromWebContents(contents);
-  return zoom_controller->GetZoomPercent() !=
-      contents->GetMaximumZoomPercent() + 1;
+  return zoom_controller->GetZoomPercent() != contents->GetMaximumZoomPercent();
 }
 
-bool CanZoomOut(content::WebContents* contents) {
+bool IsAtMinimumZoom(content::WebContents* contents) {
   ui_zoom::ZoomController* zoom_controller =
       ui_zoom::ZoomController::FromWebContents(contents);
   return zoom_controller->GetZoomPercent() !=
       contents->GetMinimumZoomPercent();
 }
 
-bool ActualSize(content::WebContents* contents) {
+bool IsAtDefaultZoom(content::WebContents* contents) {
   ui_zoom::ZoomController* zoom_controller =
       ui_zoom::ZoomController::FromWebContents(contents);
-  return zoom_controller->GetZoomPercent() != 100.0f;
+  return zoom_controller->IsAtDefaultZoom();
 }
 
 TabStripModelDelegate::RestoreTabType GetRestoreTabType(