Resolve all but two VC++ build warnings in pdfium.

core/src/fxge/win32/fx_win32_device.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
  
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "../../../include/fxge/fx_ge.h"
 #if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_
 #include "../../../include/fxge/fx_ge_win32.h"
 #include <crtdbg.h>
@@ skipping 385 matching lines @@
     return FX_NEW CWin32FontInfo;
 }
 void CFX_GEModule::InitPlatform()
 {
     CWin32Platform* pPlatformData = FX_NEW CWin32Platform;
     if (!pPlatformData) {
         return;
     }
     OSVERSIONINFO ver;
     ver.dwOSVersionInfoSize = sizeof(ver);
+#pragma warning(suppress : 4996) // Suppress deprecation warning

[scottmg, 2015/01/06 19:48:53]

This is globally disabled in Chromium, maybe you want to do that instead.
Otherwise, nit: two spaces before //, period at end.

     GetVersionEx(&ver);
     pPlatformData->m_bHalfTone = ver.dwMajorVersion >= 5;
     pPlatformData->m_GdiplusExt.Load();
     m_pPlatformData = pPlatformData;
     m_pFontMgr->SetSystemFontInfo(IFX_SystemFontInfo::CreateDefault());
 }
 void CFX_GEModule::DestroyPlatform()
 {
     if (m_pPlatformData) {
         delete (CWin32Platform*)m_pPlatformData;
@@ skipping 793 matching lines @@
     if (m_hDC) {
         SelectObject(m_hDC, m_hOldBitmap);
         DeleteDC(m_hDC);
     }
     if (m_hBitmap) {
         DeleteObject(m_hBitmap);
     }
     delete GetBitmap();
 }
 #endif