Fix up clang on mac.

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_view_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 "base/memory/scoped_nsobject.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_controller.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_view.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_button.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_folder_target.h"
 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/ui/cocoa/url_drop_target.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 #import "third_party/mozilla/NSPasteboard+Utils.h"
 #import "third_party/ocmock/OCMock/OCMock.h"
 #import "third_party/ocmock/ocmock_extensions.h"
 
+// Allows us to verify BookmarkBarFolderView.
+@interface BookmarkBarFolderView(TestingAPI)
+
+@property(readonly, nonatomic) BOOL dropIndicatorShown;
+@property(readonly, nonatomic) CGFloat dropIndicatorPosition;
+@property(assign, nonatomic) id<BookmarkButtonControllerProtocol> controller;
+
+@end
+
+@implementation BookmarkBarFolderView(TestingAPI)
+
+-(void)setController:(id<BookmarkButtonControllerProtocol>)controller {
+  controller_ = controller;
+}
+
+-(BOOL)dropIndicatorShown {
+  return dropIndicatorShown_;
+}
+
+-(CGFloat)dropIndicatorPosition {
+  return dropIndicatorPosition_;
+}
+
+@end
+
 namespace {
 
 // Some values used for mocks and fakes.
 const CGFloat kFakeIndicatorPos = 7.0;
 const NSPoint kPoint = {10, 10};
 
 class BookmarkBarFolderViewTest : public CocoaTest {
  public:
   virtual void SetUp() {
     CocoaTest::SetUp();
@@ skipping 88 matching lines @@
   EXPECT_EQ([view_ dropIndicatorPosition], kFakeIndicatorPos);
   mock_controller_.reset([GetMockController(NO) retain]);
   [view_ setController:mock_controller_];
   [[[mock_controller_ expect] andReturnUnsignedInteger:NSDragOperationNone]
    draggingEntered:drag_info];
   EXPECT_EQ([view_ draggingEntered:drag_info], NSDragOperationMove);
   EXPECT_FALSE([view_ dropIndicatorShown]);
 }
 
 }  // namespace