Mac: Fix SDK 10.11 Compile errors after clang roll in r387792

chrome/browser/ui/cocoa/info_bubble_window_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.
 #include <Carbon/Carbon.h>
 
 #include "base/debug/debugger.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/run_loop.h"
+#import "chrome/browser/ui/cocoa/base_bubble_controller.h"
 #include "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #include "chrome/browser/ui/cocoa/info_bubble_window.h"
 #include "chrome/browser/ui/cocoa/run_loop_testing.h"
 #include "ui/events/test/cocoa_test_event_utils.h"
 
-@interface InfoBubbleWindowController : NSWindowController
-- (IBAction)cancel:(id)sender;
+// Mock BaseBubbleController to pick up -cancel:, but don't call the designated
+// initializer in order to test just InfoBubbleWindow.
+@interface InfoBubbleWindowController : BaseBubbleController
 @end
 
 @implementation InfoBubbleWindowController
 - (IBAction)cancel:(id)sender {
   [self close];
 }
 @end
 
 class InfoBubbleWindowTest : public CocoaTest {
  public:
@@ skipping 43 matching lines @@
 
 TEST_F(InfoBubbleWindowTest, CommandPeriodCloses) {
   [controller_ showWindow:nil];
   EXPECT_TRUE([window_ isVisible]);
 
   [window_ performKeyEquivalent:cocoa_test_event_utils::KeyEventWithKeyCode(
                                     kVK_ANSI_Period, '.', NSKeyDown,
                                     NSCommandKeyMask)];
   EXPECT_FALSE([window_ isVisible]);
 }