chrome: Add TabModalConfirmDialog interface.

chrome/browser/ui/cocoa/tab_modal_confirm_dialog_mac.mm

Index: chrome/browser/ui/cocoa/tab_modal_confirm_dialog_mac.mm
diff --git a/chrome/browser/ui/cocoa/tab_modal_confirm_dialog_mac.mm b/chrome/browser/ui/cocoa/tab_modal_confirm_dialog_mac.mm
index 47664811ee8636d1864ee55de20306426d38a261..2e5041889b02a9fd3f7345a56f37fdb02d38ff6a 100644
--- a/chrome/browser/ui/cocoa/tab_modal_confirm_dialog_mac.mm
+++ b/chrome/browser/ui/cocoa/tab_modal_confirm_dialog_mac.mm
@@ -103,6 +103,29 @@ void TabModalConfirmDialogMac::DeleteDelegate() {
   delete this;
 }
 
+void TabModalConfirmDialogMac::AcceptTabModalDialog() {
+  NSWindow* window = [(NSAlert*)sheet() window];
+  if (window && is_sheet_open()) {
+    [NSApp endSheet:window
+         returnCode:NSAlertFirstButtonReturn];
+  }
+}
+
+void TabModalConfirmDialogMac::CancelTabModalDialog() {
+  NSWindow* window = [(NSAlert*)sheet() window];
+  if (window && is_sheet_open()) {
+    [NSApp endSheet:window
+      returnCode:NSAlertSecondButtonReturn];
+  }
+}
+
+// static

[Peter Kasting, 2012/09/25 00:39:20]

Nit: Place this atop this .cc file

[tfarina, 2012/09/25 02:03:38]

Done.

+TabModalConfirmDialog* TabModalConfirmDialog::Create(
+    TabModalConfirmDialogDelegate* delegate,
+    TabContents* tab_contents) {
+  return new TabModalConfirmDialogMac(delegate, tab_contents);
+}
+
 @interface TabModalConfirmDialogMacBridge2 : NSObject {
   TabModalConfirmDialogDelegate* delegate_;  // weak
 }