document.close from bool to void

src/xps/SkDocument_XPS.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkTypes.h"
 #if defined(SK_BUILD_FOR_WIN32)
 
@@ skipping 31 matching lines @@
         return fCanvas.get();
     }
 
     void onEndPage() override {
         SkASSERT(fCanvas.get());
         fCanvas->flush();
         fCanvas.reset(nullptr);
         fDevice.endSheet();
     }
 
-    bool onClose(SkWStream*) override {
+    void onClose(SkWStream*) override {
         SkASSERT(!fCanvas.get());
-        return fDevice.endPortfolio();
+        (void)fDevice.endPortfolio();
     }
 
     void onAbort() override {}
 
 private:
     SkXPSDevice fDevice;
     SkAutoTUnref<SkCanvas> fCanvas;
     SkVector fUnitsPerMeter;
     SkVector fPixelsPerMeter;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 sk_sp<SkDocument> SkDocument::MakeXPS(SkWStream* stream, SkScalar dpi) {
     return stream ? sk_make_sp<SkDocument_XPS>(stream, nullptr, dpi) : nullptr;
 }
 
 static void delete_wstream(SkWStream* stream, bool aborted) { delete stream; }
 
 sk_sp<SkDocument> SkDocument::MakeXPS(const char path[], SkScalar dpi) {
     SkAutoTDelete<SkFILEWStream> stream(new SkFILEWStream(path));
     if (!stream->isValid()) {
         return nullptr;
     }
     return sk_make_sp<SkDocument_XPS>(stream.release(), delete_wstream, dpi);
 }
 
 #endif//defined(SK_BUILD_FOR_WIN32)