add SkCanvas constructor that explicitly creates no_config with dimensions

src/utils/SkDumpCanvas.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkDumpCanvas.h"
 
@@ skipping 145 matching lines @@
             break;
 
         default:
             SkASSERT(false);
             break;
     }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
-static SkBitmap make_wideopen_bm() {
-    static const int WIDE_OPEN = 16384;
+#define WIDE_OPEN   16384
 
-    SkBitmap bm;
-    bm.setConfig(SkBitmap::kNo_Config, WIDE_OPEN, WIDE_OPEN);
-    return bm;
-}
-
-SkDumpCanvas::SkDumpCanvas(Dumper* dumper) : INHERITED(make_wideopen_bm()) {
+SkDumpCanvas::SkDumpCanvas(Dumper* dumper) : INHERITED(WIDE_OPEN, WIDE_OPEN) {
     fNestLevel = 0;
     SkSafeRef(dumper);
     fDumper = dumper;
 }
 
 SkDumpCanvas::~SkDumpCanvas() {
     SkSafeUnref(fDumper);
 }
 
 void SkDumpCanvas::dump(Verb verb, const SkPaint* paint,
@@ skipping 331 matching lines @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
 static void dumpToDebugf(const char text[], void*) {
     SkDebugf("%s\n", text);
 }
 
 SkDebugfDumper::SkDebugfDumper() : INHERITED(dumpToDebugf, NULL) {}
 
 #endif