Re-enable MSVC warning 4800 for compiling with chromium_code

core/include/fpdfapi/fpdf_serial.h

Index: core/include/fpdfapi/fpdf_serial.h
diff --git a/core/include/fpdfapi/fpdf_serial.h b/core/include/fpdfapi/fpdf_serial.h
index 8cf3fb8a1ed4000054fe9058eb7b3dcbe6c81374..cb0c290783aac7101c6a811f441576f986b60995 100644
--- a/core/include/fpdfapi/fpdf_serial.h
+++ b/core/include/fpdfapi/fpdf_serial.h
@@ -26,7 +26,7 @@ class CPDF_Creator {
   ~CPDF_Creator();
 
   void RemoveSecurity();
-  FX_BOOL Create(IFX_StreamWrite* pFile, FX_DWORD flags = 0);
+  bool Create(IFX_StreamWrite* pFile, FX_DWORD flags = 0);
   int32_t Continue(IFX_Pause* pPause = NULL);
   FX_BOOL SetFileVersion(int32_t fileVersion = 17);
 
@@ -57,7 +57,7 @@ class CPDF_Creator {
   int32_t m_ObjectStreamSize;
 
   FX_DWORD m_dwLastObjNum;
-  FX_BOOL Create(FX_DWORD flags);
+  bool Create(FX_DWORD flags);
   void ResetStandardSecurity();
   void Clear();
   int32_t WriteDoc_Stage1(IFX_Pause* pPause);