Make download items drag sources on OS X.

chrome/browser/cocoa/bookmark_button_unittest.mm

 // Copyright (c) 2009 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/scoped_nsobject.h"
 #import "chrome/browser/cocoa/bookmark_button.h"
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 class BookmarkButtonTest : public CocoaTest {
  public:
 };
 
-NSEvent* Event(const NSPoint point, const NSEventType type) {
-  static NSUInteger eventNumber = 0;  // thx shess
-  return [NSEvent mouseEventWithType:type
-                            location:point
-                       modifierFlags:0
-                           timestamp:0
-                        windowNumber:183  // picked out of thin air.
-                             context:nil
-                         eventNumber:eventNumber++
-                          clickCount:1
-                            pressure:0.0];
-}
-
-// Make sure the basic case of "click" still works.
-TEST_F(BookmarkButtonTest, DownUp) {
-  scoped_nsobject<NSMutableArray> array;
-  array.reset([[NSMutableArray alloc] init]);
-  [array addObject:@"foo"];
-  [array addObject:@"bar"];
-
+// Make sure nothing leaks
+TEST_F(BookmarkButtonTest, Create) {
   scoped_nsobject<BookmarkButton> button;
   button.reset([[BookmarkButton alloc] initWithFrame:NSMakeRect(0,0,500,500)]);
-
-  [button setTarget:array.get()];
-  [button setAction:@selector(removeAllObjects)];
-  EXPECT_FALSE([[button cell] isHighlighted]);
-
-  NSEvent* downEvent(Event(NSMakePoint(10,10), NSLeftMouseDown));
-  NSEvent* upEvent(Event(NSMakePoint(10,10), NSLeftMouseDown));
-  [button mouseDown:downEvent];
-  EXPECT_TRUE([[button cell] isHighlighted]);
-  [button mouseUp:upEvent];
-  EXPECT_FALSE([[button cell] isHighlighted]);
-  EXPECT_FALSE([array count]);  // confirms target/action fired
 }