Remove default argument from RestoreState() methods.

core/fxge/skia/fx_skia_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.
 
 #include "core/fxge/include/fx_ge.h"
 
 #if defined(_SKIA_SUPPORT_)
 #include "core/fxcodec/include/fx_codec.h"
 
 #include "core/fpdfapi/fpdf_page/cpdf_shadingpattern.h"
@@ skipping 586 matching lines @@
     case FXDC_DITHER_BITS:
       return m_ditherBits;
   }
   return 0;
 }
 
 void CFX_SkiaDeviceDriver::SaveState() {
   m_pCanvas->save();
 }
 
-void CFX_SkiaDeviceDriver::RestoreState(FX_BOOL bKeepSaved) {
+void CFX_SkiaDeviceDriver::RestoreState(bool bKeepSaved) {
   m_pCanvas->restore();
   if (bKeepSaved)
     m_pCanvas->save();
 }
 
 FX_BOOL CFX_SkiaDeviceDriver::SetClip_PathFill(
     const CFX_PathData* pPathData,     // path info
     const CFX_Matrix* pObject2Device,  // flips object's y-axis
     int fill_mode                      // fill mode, WINDING or ALTERNATE
     ) {
@@ skipping 509 matching lines @@
   SetDeviceDriver(pDriver);
   return true;
 }
 
 CFX_FxgeDevice::~CFX_FxgeDevice() {
   if (m_bOwnedBitmap && GetBitmap())
     delete GetBitmap();
 }
 
 #endif