Fixes for re-enabling more MSVC level 4 warnings: ui/ edition

ui/views/corewm/cursor_height_provider_win.cc

 // Copyright 2014 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 "ui/views/corewm/cursor_height_provider_win.h"
 
 #include <windows.h>
 #include <algorithm>
 #include <map>
 
@@ skipping 73 matching lines @@
   GetIconInfo(cursor_handle, &icon);
 
   BITMAPINFO bitmap_info = {0};
   bitmap_info.bmiHeader.biSize = sizeof(bitmap_info.bmiHeader);
   if (GetDIBits(hdc, icon.hbmMask, 0, 0, NULL, &bitmap_info, DIB_RGB_COLORS) ==
       0)
     return kDefaultHeight;
 
   // Rows are padded to full DWORDs. OR with this mask will set them to 1
   // to simplify matching with |transparent_mask|.
-  uint32_t last_byte_mask = ~0;
+  uint32_t last_byte_mask = 0xFFFFFFFF;
   const unsigned char bits_to_shift = sizeof(last_byte_mask) * 8 -
       (bitmap_info.bmiHeader.biWidth % kBitsPeruint32);
   if (bits_to_shift != kBitsPeruint32)
     last_byte_mask = (last_byte_mask << bits_to_shift);
   else
     last_byte_mask = 0;
 
   const uint32_t row_size =
       (bitmap_info.bmiHeader.biWidth + kBitsPeruint32 - 1) / kBitsPeruint32;
   PixelData data(GetBitmapData(icon.hbmMask, bitmap_info, hdc));
@@ skipping 32 matching lines @@
     return cached_height->second;
 
   const int height = CalculateCursorHeight(cursor.hCursor);
   (*cached_heights)[cursor.hCursor] = height;
 
   return height;
 }
 
 }  // namespace corewm
 }  // namespace views