In ProfileMenuButtonTest, ProfileMenuDelegate must adopt the NSMenuDelegate protocol

chrome/browser/ui/cocoa/profile_menu_button_unittest.mm

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import <Cocoa/Cocoa.h>
 
+#import "base/mac/cocoa_protocols.h"
 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/ui/cocoa/profile_menu_button.h"
 #import "chrome/browser/ui/cocoa/test_event_utils.h"
 #import "testing/gtest_mac.h"
 #import "third_party/ocmock/OCMock/OCMock.h"
 
 class ProfileMenuButtonTest : public CocoaTest {
  public:
   ProfileMenuButtonTest() {
     scoped_nsobject<ProfileMenuButton> button([[ProfileMenuButton alloc]
@@ skipping 23 matching lines @@
   EXPECT_GT([button desiredControlSize].height, minSize.height);
   EXPECT_GT([button desiredControlSize].width, minSize.width);
 
   [button setShouldShowProfileDisplayName:NO];
   EXPECT_TRUE(NSEqualSizes(minSize, [button desiredControlSize]));
   EXPECT_TRUE(NSEqualSizes(minSize, [button desiredControlSize]));
 }
 
 // A menu delegate that will count the number open/close calls it recieves.
 // The delegate will also automatically close the menu after it opens.
-@interface ProfileMenuDelegate : NSObject {
+@interface ProfileMenuDelegate : NSObject<NSMenuDelegate> {
   int menuOpenCount_;
   int menuCloseCount_;
 }
 
-@property(assign,nonatomic) int menuOpenCount;
-@property(assign,nonatomic) int menuCloseCount;
+@property(assign, nonatomic) int menuOpenCount;
+@property(assign, nonatomic) int menuCloseCount;
 
 @end
 
 @implementation ProfileMenuDelegate
 
 @synthesize menuOpenCount = menuOpenCount_;
 @synthesize menuCloseCount = menuCloseCount_;
 
 - (void)menuWillOpen:(NSMenu*)menu {
   ++menuOpenCount_;
@@ skipping 62 matching lines @@
                               NSMaxY([button_ bounds]) - 1);
   point = [button_ convertPointToBase:point];
   NSEvent* downEvent =
       test_event_utils::LeftMouseDownAtPointInWindow(point, test_window());
   [button_ mouseDown:downEvent];
 
   // Verify that the menu was shown.
   EXPECT_EQ([delegate menuOpenCount], 1);
   EXPECT_EQ([delegate menuCloseCount], 1);
 }