Adds a class that makes it easy to subclass a HWND and filter messages sent to it.

ui/base/clipboard/clipboard_unittest.cc

 // Copyright (c) 2012 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 "build/build_config.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 369 matching lines @@
   Clipboard clipboard;
   clipboard.WriteObjects(Clipboard::BUFFER_STANDARD, objects);
 
   EXPECT_TRUE(clipboard.IsFormatAvailable(Clipboard::GetBitmapFormatType(),
                                           Clipboard::BUFFER_STANDARD));
 }
 
 // The following test somehow fails on GTK. The image when read back from the
 // clipboard has the alpha channel set to 0xFF for some reason. The other
 // channels stay intact. So I am turning this on only for aura.
-#if defined(USE_AURA)
+#if defined(USE_AURA) && !defined(OS_WIN)
 TEST_F(ClipboardTest, MultipleBitmapReadWriteTest) {
   Clipboard clipboard;
 
   // Test first bitmap
   unsigned int fake_bitmap_1[] = {
     0x46155189, 0xF6A55C8D, 0x79845674, 0xFA57BD89,
     0x78FD46AE, 0x87C64F5A, 0x36EDC5AF, 0x4378F568,
     0x91E9F63A, 0xC31EA14F, 0x69AB32DF, 0x643A3FD1,
   };
   gfx::Size fake_bitmap_1_size(3, 4);
@@ skipping 242 matching lines @@
     writer.WriteBookmark(UTF8ToUTF16("foo"), "bar");
     writer.WriteHyperlink(ASCIIToUTF16("foo"), "bar");
     writer.WriteWebSmartPaste();
     // Left out: WriteFile, WriteFiles, WriteBitmapFromPixels, WritePickledData.
   }
 
   // Passes if we don't crash.
 }
 
 }  // namespace ui