Merge to XFA: FX_NAMESPACE_DECLARE pointless.

core/include/fxcrt/fx_basic.h

 // 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
 
 #ifndef CORE_INCLUDE_FXCRT_FX_BASIC_H_
 #define CORE_INCLUDE_FXCRT_FX_BASIC_H_
 
 #include "fx_memory.h"
@@ skipping 1180 matching lines @@
     CFX_DWordListArray;
 typedef enum {
   Ready,
   ToBeContinued,
   Found,
   NotFound,
   Failed,
   Done
 } FX_ProgressiveStatus;
 #define ProgressiveStatus FX_ProgressiveStatus
-#define FX_NAMESPACE_DECLARE(namespace, type) namespace ::type
 #ifdef PDF_ENABLE_XFA
 class IFX_Unknown {
  public:
   virtual ~IFX_Unknown() {}
   virtual FX_DWORD Release() = 0;
   virtual FX_DWORD AddRef() = 0;
 };
 #define FX_IsOdd(a) ((a)&1)
 #endif  // PDF_ENABLE_XFA
 
@@ skipping 43 matching lines @@
   FX_FLOAT c;
   FX_FLOAT d;
   FX_FLOAT e;
   FX_FLOAT f;
   FX_FLOAT g;
   FX_FLOAT h;
   FX_FLOAT i;
 };
 
 #endif  // CORE_INCLUDE_FXCRT_FX_BASIC_H_