Remove deprecated gfx::Image::operator NSImage*().

chrome/browser/ui/cocoa/hover_image_button_unittest.mm

Index: chrome/browser/ui/cocoa/hover_image_button_unittest.mm
diff --git a/chrome/browser/ui/cocoa/hover_image_button_unittest.mm b/chrome/browser/ui/cocoa/hover_image_button_unittest.mm
index 2f8ca666e55a458d2a8fb48e12be29a00f9be61f..7702c5c703ca74d87c953a2fe50ada0e6b59198a 100644
--- a/chrome/browser/ui/cocoa/hover_image_button_unittest.mm
+++ b/chrome/browser/ui/cocoa/hover_image_button_unittest.mm
@@ -36,8 +36,8 @@ class HoverImageButtonTest : public CocoaTest {
 // Test mouse events.
 TEST_F(HoverImageButtonTest, ImageSwap) {
   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
-  NSImage* image = rb.GetNativeImageNamed(IDR_HOME);
-  NSImage* hover = rb.GetNativeImageNamed(IDR_BACK);
+  NSImage* image = rb.GetNativeImageNamed(IDR_HOME).ToNSImage();
+  NSImage* hover = rb.GetNativeImageNamed(IDR_BACK).ToNSImage();
   [button_ setDefaultImage:image];
   [button_ setHoverImage:hover];
 
@@ -53,7 +53,7 @@ TEST_F(HoverImageButtonTest, ImageSwap) {
 // Test mouse events.
 TEST_F(HoverImageButtonTest, Opacity) {
   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
-  NSImage* image = rb.GetNativeImageNamed(IDR_HOME);
+  NSImage* image = rb.GetNativeImageNamed(IDR_HOME).ToNSImage();
   [button_ setDefaultImage:image];
   [button_ setDefaultOpacity:0.5];
   [button_ setHoverImage:image];