Remove unused code in ConfirmBubbleModel

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 891c951984b15f41dbd1d1b4b0228f5baf93f8cf..be249f7d2c52f16f9a766f7e53aa299ae954724c 100644
--- a/chrome/browser/ui/cocoa/confirm_bubble_controller_unittest.mm
+++ b/chrome/browser/ui/cocoa/confirm_bubble_controller_unittest.mm
@@ -9,9 +9,7 @@
 #import "chrome/browser/ui/cocoa/confirm_bubble_cocoa.h"
 #import "chrome/browser/ui/cocoa/confirm_bubble_controller.h"
 #include "chrome/browser/ui/confirm_bubble_model.h"
-#include "grit/theme_resources.h"
 #import "testing/gtest_mac.h"
-#include "ui/base/resource/resource_bundle.h"
 #import "ui/gfx/geometry/point.h"
 
 namespace {
@@ -28,7 +26,6 @@ class TestConfirmBubbleModel : public ConfirmBubbleModel {
   ~TestConfirmBubbleModel() override;
   base::string16 GetTitle() const override;
   base::string16 GetMessageText() const override;
-  gfx::Image* GetIcon() const override;
   int GetButtons() const override;
   base::string16 GetButtonLabel(BubbleButton button) const override;
   void Accept() override;
@@ -65,11 +62,6 @@ base::string16 TestConfirmBubbleModel::GetMessageText() const {
   return base::ASCIIToUTF16("Test Message");
 }
 
-gfx::Image* TestConfirmBubbleModel::GetIcon() const {
-  return &ResourceBundle::GetSharedInstance().GetImageNamed(
-      IDR_PRODUCT_LOGO_16);
-}
-
 int TestConfirmBubbleModel::GetButtons() const {
   return BUTTON_OK | BUTTON_CANCEL;
 }