Delete unused GetBitMap() in fx_agg_driver

core/fxge/agg/fx_agg_driver.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 "core/fxge/agg/fx_agg_driver.h"
 
 #include <algorithm>
 
@@ skipping 428 matching lines @@
 }
 
 CFX_AggDeviceDriver::~CFX_AggDeviceDriver() {
   DestroyPlatform();
 }
 
 uint8_t* CFX_AggDeviceDriver::GetBuffer() const {
   return m_pBitmap->GetBuffer();
 }
 
-const CFX_DIBitmap* CFX_AggDeviceDriver::GetBitmap() const {
-  return m_pBitmap;
-}
-
 #if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
 void CFX_AggDeviceDriver::InitPlatform() {}
 
 void CFX_AggDeviceDriver::DestroyPlatform() {}
 
 FX_BOOL CFX_AggDeviceDriver::DrawDeviceText(int nChars,
                                             const FXTEXT_CHARPOS* pCharPos,
                                             CFX_Font* pFont,
                                             const CFX_Matrix* pObject2Device,
                                             FX_FLOAT font_size,
@@ skipping 1296 matching lines @@
       WrapUnique(new CFX_AggDeviceDriver(pBitmap, FALSE, pOriDevice, FALSE)));
   return true;
 }
 
 CFX_FxgeDevice::~CFX_FxgeDevice() {
   if (m_bOwnedBitmap) {
     delete GetBitmap();
   }
 }
 #endif