Move ifx_renderdevicedriver to a separate file to share

core/fxge/agg/fx_agg_driver.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_FXGE_AGG_FX_AGG_DRIVER_H_
 #define CORE_FXGE_AGG_FX_AGG_DRIVER_H_
 
-#include "core/fxge/include/fx_ge.h"
+#include "core/fxge/include/ifx_renderdevicedriver.h"
 #include "third_party/agg23/agg_clip_liang_barsky.h"
 #include "third_party/agg23/agg_path_storage.h"
 #include "third_party/agg23/agg_rasterizer_scanline_aa.h"
 
+class CFX_ClipRgn;
 class CFX_Matrix;
 class CFX_PathData;
 
 class CAgg_PathData {
  public:
   CAgg_PathData() {}
   ~CAgg_PathData() {}
   void BuildPath(const CFX_PathData* pPathData,
                  const CFX_Matrix* pObject2Device);
 
   agg::path_storage m_PathData;
 };
 
 class CFX_AggDeviceDriver : public IFX_RenderDeviceDriver {
  public:
   CFX_AggDeviceDriver(CFX_DIBitmap* pBitmap,
                       FX_BOOL bRgbByteOrder,
                       CFX_DIBitmap* pOriDevice,
                       FX_BOOL bGroupKnockout);
   ~CFX_AggDeviceDriver() override;
 
   void InitPlatform();
   void DestroyPlatform();
 
   // IFX_RenderDeviceDriver
-  int GetDeviceCaps(int caps_id) override;
+  int GetDeviceCaps(int caps_id) const override;
   void SaveState() override;
   void RestoreState(bool bKeepSaved) override;
   FX_BOOL SetClip_PathFill(const CFX_PathData* pPathData,
                            const CFX_Matrix* pObject2Device,
                            int fill_mode) override;
   FX_BOOL SetClip_PathStroke(const CFX_PathData* pPathData,
                              const CFX_Matrix* pObject2Device,
                              const CFX_GraphStateData* pGraphState) override;
   FX_BOOL DrawPath(const CFX_PathData* pPathData,
                    const CFX_Matrix* pObject2Device,
@@ skipping 61 matching lines @@
   void* m_pPlatformGraphics;
   void* m_pPlatformBitmap;
   void* m_pDwRenderTartget;
   int m_FillFlags;
   FX_BOOL m_bRgbByteOrder;
   CFX_DIBitmap* m_pOriDevice;
   FX_BOOL m_bGroupKnockout;
 };
 
 #endif  // CORE_FXGE_AGG_FX_AGG_DRIVER_H_