Make sure that Clipboard operations that require dispatching...

base/clipboard_unittest.cc

 // Copyright (c) 2006-2008 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 <string>
 
 #include "base/basictypes.h"
 #include "base/clipboard.h"
+#include "base/message_loop.h"
 #include "base/scoped_clipboard_writer.h"
 #include "base/string_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
+#if defined(OS_WIN)
+class ClipboardTest : public PlatformTest {
+ protected:  
+  virtual void SetUp() {
+    message_loop_.reset(new MessageLoopForUI());
+  }
+  virtual void TearDown() {
+  }
+
+ private:
+  scoped_ptr<MessageLoop> message_loop_;
+};
+#elif defined(OS_POSIX)
 typedef PlatformTest ClipboardTest;
+#endif  // defined(OS_WIN)
 
 TEST_F(ClipboardTest, ClearTest) {
   Clipboard clipboard;
 
   {
     ScopedClipboardWriter clipboard_writer(&clipboard);
     clipboard_writer.WriteText(std::wstring(L"clear me"));
   }
 
   {
@@ skipping 232 matching lines @@
   {
     ScopedClipboardWriter clipboard_writer(&clipboard);
     clipboard_writer.WriteBitmapFromPixels(fake_bitmap, gfx::Size(3, 4));
   }
 
   EXPECT_EQ(true, clipboard.IsFormatAvailable(
                       Clipboard::GetBitmapFormatType()));
 }
 #endif  // defined(OS_WIN)