remove SkFloatToScalar macro

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
 
 #include "SkBitmap.h"
 #include "SkPicture.h"
 #include "SkRect.h"
 #include "SkRefCnt.h"
 
 class SkCanvas;
 class SkWStream;
 
 /** SK_ScalarDefaultDPI is 72 DPI.
 */
-#define SK_ScalarDefaultRasterDPI           SkFloatToScalar(72.0f)
+#define SK_ScalarDefaultRasterDPI           72.0f
 
 /**
  *  High-level API for creating a document-based canvas. To use..
  *
  *  1. Create a document, specifying a stream to store the output.
  *  2. For each "page" of content:
  *      a. canvas = doc->beginPage(...)
  *      b. draw_my_content(canvas);
  *      c. doc->endPage();
  *  3. Close the document with doc->close().
@@ skipping 99 matching lines @@
 
 private:
     SkWStream* fStream;
     void       (*fDoneProc)(SkWStream*, bool aborted);
     State      fState;
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif