Added pause button to DownloadItemMac via IB and IBAction to receive the even...

chrome/browser/cocoa/download_item_controller.mm

Index: chrome/browser/cocoa/download_item_controller.mm
===================================================================
--- chrome/browser/cocoa/download_item_controller.mm	(revision 35359)
+++ chrome/browser/cocoa/download_item_controller.mm	(working copy)
@@ -63,6 +63,7 @@
   using DownloadShelfContextMenu::OPEN_WHEN_COMPLETE;
   using DownloadShelfContextMenu::ALWAYS_OPEN_TYPE;
   using DownloadShelfContextMenu::CANCEL;
+  using DownloadShelfContextMenu::TOGGLE_PAUSE;
 };
 
 @interface DownloadItemController (Private)
@@ -291,6 +292,8 @@
     actionId = DownloadShelfContextMenuMac::SHOW_IN_FOLDER;
   } else if (action == @selector(handleCancel:)) {
     actionId = DownloadShelfContextMenuMac::CANCEL;
+  } else if (action == @selector(handleTogglePause:)) {
+    actionId = DownloadShelfContextMenuMac::TOGGLE_PAUSE;
   } else {
     NOTREACHED();
     return YES;
@@ -322,4 +325,8 @@
   menuBridge_->ExecuteItemCommand(DownloadShelfContextMenuMac::CANCEL);
 }
 
+- (IBAction)handleTogglePause:(id)sender {
+  menuBridge_->ExecuteItemCommand(DownloadShelfContextMenuMac::TOGGLE_PAUSE);
+}
+
 @end