[Mac] Add menu to reload button available when debugging.

chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm

Index: chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm
diff --git a/chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm b/chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm
index 0dd797acccc9715a371e6e0108d7bab92ad5500c..1f7f383f3a7b1aed730d79ce073ac69b6bf10c83 100644
--- a/chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm
+++ b/chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm
@@ -22,6 +22,7 @@
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_window.h"
 #import "chrome/browser/ui/cocoa/background_gradient_view.h"
 #include "chrome/browser/ui/cocoa/drag_util.h"
@@ -258,6 +259,7 @@ class NotificationBridge : public WrenchMenuBadgeController::Delegate {
   [homeButton_ setHandleMiddleClick:YES];
 
   [self initCommandStatus:commands_];
+  [reloadButton_ setCommandUpdater:commands_];
 
   locationBarView_.reset(new LocationBarViewMac(locationBar_, commands_,
                                                 profile_, browser_));
@@ -440,6 +442,9 @@ class NotificationBridge : public WrenchMenuBadgeController::Delegate {
   if (browserActionsController_.get()) {
     [browserActionsController_ update];
   }
+
+  BOOL needReloadMenu = chrome::IsDebuggerAttachedToCurrentTab(browser_);
+  [reloadButton_ setMenuEnabled:needReloadMenu];
 }
 
 - (void)setStarredState:(BOOL)isStarred {