Change ShowConfirmBubble() to take model by scoped_ptr.

chrome/browser/ui/cocoa/confirm_bubble_controller_unittest.mm

Index: chrome/browser/ui/cocoa/confirm_bubble_controller_unittest.mm
diff --git a/chrome/browser/ui/cocoa/confirm_bubble_controller_unittest.mm b/chrome/browser/ui/cocoa/confirm_bubble_controller_unittest.mm
index 962f5827d8474c9ab6e805aceae84d3c9d0abfeb..604457dc2b6efcb02c1f3605e8676fac4a52cca4 100644
--- a/chrome/browser/ui/cocoa/confirm_bubble_controller_unittest.mm
+++ b/chrome/browser/ui/cocoa/confirm_bubble_controller_unittest.mm
@@ -107,15 +107,15 @@ class ConfirmBubbleControllerTest : public CocoaTest {
         link_clicked_(false) {
     NSView* view = [test_window() contentView];
     // This model is owned by the controller created below.
-    model_ = new TestConfirmBubbleModel(&model_deleted_,
-                                        &accept_clicked_,
-                                        &cancel_clicked_,
-                                        &link_clicked_);
+    model_.reset(new TestConfirmBubbleModel(&model_deleted_,
+                                            &accept_clicked_,
+                                            &cancel_clicked_,
+                                            &link_clicked_));
     gfx::Point origin(0, 0);
     controller_ =
         [[ConfirmBubbleController alloc] initWithParent:view
                                                  origin:origin.ToCGPoint()
-                                                  model:model_];
+                                                  model:model_.Pass()];
     [view addSubview:[controller_ view]
           positioned:NSWindowAbove
           relativeTo:nil];
@@ -125,7 +125,6 @@ class ConfirmBubbleControllerTest : public CocoaTest {
     return (ConfirmBubbleCocoa*)[controller_ view];
   }
 
-  TestConfirmBubbleModel* model() const { return model_; }
   bool model_deleted() const { return model_deleted_; }
   bool accept_clicked() const { return accept_clicked_; }
   bool cancel_clicked() const { return cancel_clicked_; }
@@ -133,7 +132,7 @@ class ConfirmBubbleControllerTest : public CocoaTest {
 
  private:
   ConfirmBubbleController* controller_;  // weak; owns self
-  TestConfirmBubbleModel* model_;  // weak
+  scoped_ptr<TestConfirmBubbleModel> model_;
   bool model_deleted_;
   bool accept_clicked_;
   bool cancel_clicked_;