document.close from bool to void

include/core/SkDocument.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkDocument_DEFINED
 #define SkDocument_DEFINED
 
@@ skipping 157 matching lines @@
      *  (into the canvas returned by beginPage()). After this call the canvas
      *  returned by beginPage() will be out-of-scope.
      */
     void endPage();
 
     /**
      *  Call close() when all pages have been drawn. This will close the file
      *  or stream holding the document's contents. After close() the document
      *  can no longer add new pages. Deleting the document will automatically
      *  call close() if need be.
-     *  Returns true on success or false on failure.
      */
-    bool close();
+    void close();
 
     /**
      *  Call abort() to stop producing the document immediately.
      *  The stream output must be ignored, and should not be trusted.
      */
     void abort();
 
 protected:
     SkDocument(SkWStream*, void (*)(SkWStream*, bool aborted));
 
     // note: subclasses must call close() in their destructor, as the base class
     // cannot do this for them.
     virtual ~SkDocument();
 
     virtual SkCanvas* onBeginPage(SkScalar width, SkScalar height,
                                   const SkRect& content) = 0;
     virtual void onEndPage() = 0;
-    virtual bool onClose(SkWStream*) = 0;
+    virtual void onClose(SkWStream*) = 0;
     virtual void onAbort() = 0;
 
     // Allows subclasses to write to the stream as pages are written.
     SkWStream* getStream() { return fStream; }
 
     enum State {
         kBetweenPages_State,
         kInPage_State,
         kClosed_State
     };
     State getState() const { return fState; }
 
 private:
     SkWStream* fStream;
     void       (*fDoneProc)(SkWStream*, bool aborted);
     State      fState;
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif