Linux build fixes for webframe_imple.cc

base/gfx/bitmap_platform_device_linux.cc

 // Copyright (c) 2006-2008 The Chromium 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 "base/gfx/bitmap_platform_device_linux.h"
 
 #include "base/logging.h"
 
 #include <time.h>
 
@@ skipping 20 matching lines @@
   // The device object will take ownership of the graphics context.
   return new BitmapPlatformDeviceLinux(bitmap);
 }
 
 // The device will own the bitmap, which corresponds to also owning the pixel
 // data. Therefore, we do not transfer ownership to the SkDevice's bitmap.
 BitmapPlatformDeviceLinux::BitmapPlatformDeviceLinux(const SkBitmap& bitmap)
     : PlatformDeviceLinux(bitmap) {
 }
 
+BitmapPlatformDeviceLinux::BitmapPlatformDeviceLinux(
+                                        const BitmapPlatformDeviceLinux& other)
+    : PlatformDeviceLinux(
+            const_cast<BitmapPlatformDeviceLinux&>(other).accessBitmap(true)) {
+}
+
 BitmapPlatformDeviceLinux::~BitmapPlatformDeviceLinux() {
 }
 
 }  // namespace gfx