Clicking tab close with option key close the other tabs.

chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm

Index: chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm
diff --git a/chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm b/chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm
index d63f04f61d8d3b144051f038dc6d0bd4e0b8a7b8..84379155626b93e6deda8bea06f8359487cbda9c 100644
--- a/chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm
+++ b/chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm
@@ -743,6 +743,15 @@ private:
   }
 }
 
+// Called when the user closes all tabs except for the current tab.
+// Invoke the |CommandCloseOtherTabs| context menu command.
+- (void)closeOtherTabs:(id)sender {
+  int index = [self modelIndexForTabView:sender];
+  if (tabStripModel_->ContainsIndex(index))

[Robert Sesek, 2011/08/19 15:36:25]

nit: braces {} around multi-line bodies

[bashi, 2011/08/22 06:43:48]

Done.

+    tabStripModel_->ExecuteContextMenuCommand(
+        index, TabStripModel::CommandCloseOtherTabs);
+}
+
 // Dispatch context menu commands for the given tab controller.
 - (void)commandDispatch:(TabStripModel::ContextMenuCommand)command
           forController:(TabController*)controller {