Fix blank xfa rendering broken at f89acbc.

xfa/fxgraphics/cfx_graphics.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 "xfa/fxgraphics/include/cfx_graphics.h"
 
 #include <memory>
 
@@ skipping 548 matching lines @@
          0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x00, 0x00,
          0x38, 0x38, 0x00, 0x00, 0x7c, 0x7c, 0x00, 0x00, 0xfe, 0xfe, 0x00, 0x00,
          0x7c, 0x7c, 0x00, 0x00, 0x38, 0x38, 0x00, 0x00, 0x10, 0x10, 0x00, 0x00,
          0x00, 0x00, 0x00, 0x00,
      }},
 };
 
 }  // namespace
 
 CFX_Graphics::CFX_Graphics()
-    : m_renderDevice(nullptr), m_aggGraphics(nullptr) {}
+    : m_type(FX_CONTEXT_None),
+      m_renderDevice(nullptr),
+      m_aggGraphics(nullptr) {}
 
 FX_ERR CFX_Graphics::Create(CFX_RenderDevice* renderDevice,
                             FX_BOOL isAntialiasing) {
   if (!renderDevice)
     return FX_ERR_Parameter_Invalid;
   if (m_type != FX_CONTEXT_None)
     return FX_ERR_Property_Invalid;
 
   m_type = FX_CONTEXT_Device;
   m_info.isAntialiasing = isAntialiasing;
@@ skipping 977 matching lines @@
   CTM = other.CTM;
   isActOnDash = other.isActOnDash;
   strokeColor = other.strokeColor;
   fillColor = other.fillColor;
   font = other.font;
   fontSize = other.fontSize;
   fontHScale = other.fontHScale;
   fontSpacing = other.fontSpacing;
   return *this;
 }