Issue 32919: Update the Zoom NSMenuItems (Zoom-In/Zoom-out/Actual-Size) when the zoom state changes.

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 38cff6b408d594efa8b93cd183bc8a836b59002f..cc27c62c269fa838f224d1ddcebe45b25982d5c1 100644
--- a/chrome/browser/ui/browser_commands.cc
+++ b/chrome/browser/ui/browser_commands.cc
@@ -574,6 +574,23 @@ void CloseTab(Browser* browser) {
   browser->tab_strip_model()->CloseSelectedTabs();
 }
 
+bool CanZoomIn(content::WebContents* contents) {
+  bool dummy = false;
+  return contents->GetZoomPercent(&dummy, &dummy) !=
+          contents->GetMaximumZoomPercent() + 1;

[Alexei Svitkine (slow), 2014/06/16 17:41:46]

Nit: indent is wrong, same below.

+}
+
+bool CanZoomOut(content::WebContents* contents) {
+  bool dummy = false;
+  return contents->GetZoomPercent(&dummy, &dummy) !=
+          contents->GetMinimumZoomPercent();
+}
+
+bool ActualSize(content::WebContents* contents) {
+  bool dummy = false;
+  return contents->GetZoomPercent(&dummy, &dummy) != 100.0f;
+}
+
 void RestoreTab(Browser* browser) {
   content::RecordAction(UserMetricsAction("RestoreTab"));
   TabRestoreService* service =