Get skiaserve working on Windows.

tools/skiaserve/Request.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Request.h"
 
 #include "SkPictureRecorder.h"
@@ skipping 80 matching lines @@
 
 SkData* Request::drawToPng(int n, int m) {
     this->drawToCanvas(n, m);
     return writeCanvasToPng(this->getCanvas());
 }
 
 SkData* Request::writeOutSkp() {
     // Playback into picture recorder
     SkIRect bounds = this->getBounds();
     SkPictureRecorder recorder;
-    SkCanvas* canvas = recorder.beginRecording(bounds.width(), bounds.height());
+    SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(bounds.width()),
+                                               SkIntToScalar(bounds.height()));
 
     fDebugCanvas->draw(canvas);
 
     sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
 
     SkDynamicMemoryWStream outStream;
 
     SkAutoTUnref<SkPixelSerializer> serializer(SkImageEncoder::CreatePixelSerializer());
     picture->serialize(&outStream, serializer);
 
@@ skipping 179 matching lines @@
     SkASSERT(bitmap);
 
     // Convert to format suitable for inspection
     sk_sp<SkData> encodedBitmap = sk_tools::encode_bitmap_for_png(*bitmap);
     SkASSERT(encodedBitmap.get());
 
     const uint8_t* start = encodedBitmap->bytes() + ((y * bitmap->width() + x) * 4);
     SkColor result = SkColorSetARGB(start[3], start[0], start[1], start[2]);
     return result;
 }