Start cleaning up 64bit Win warnings

src/utils/SkDeferredCanvas.cpp

 
 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkDeferredCanvas.h"
 
@@ skipping 88 matching lines @@
 void DeferredPipeController::setPlaybackCanvas(SkCanvas* canvas) {
     fReader.setCanvas(canvas);
 }
 
 void* DeferredPipeController::requestBlock(size_t minRequest, size_t *actual) {
     if (fBlock) {
         // Save the previous block for later
         PipeBlock previousBloc(fBlock, fBytesWritten);
         fBlockList.push(previousBloc);
     }
-    int32_t blockSize = SkMax32(minRequest, kMinBlockSize);
+    size_t blockSize = SkTMax<size_t>(minRequest, kMinBlockSize);
     fBlock = fAllocator.allocThrow(blockSize);
     fBytesWritten = 0;
     *actual = blockSize;
     return fBlock;
 }
 
 void DeferredPipeController::notifyWritten(size_t bytes) {
     fBytesWritten += bytes;
 }
 
@@ skipping 883 matching lines @@
 SkDrawFilter* SkDeferredCanvas::setDrawFilter(SkDrawFilter* filter) {
     this->drawingCanvas()->setDrawFilter(filter);
     this->INHERITED::setDrawFilter(filter);
     this->recordedDrawCommand();
     return filter;
 }
 
 SkCanvas* SkDeferredCanvas::canvasForDrawIter() {
     return this->drawingCanvas();
 }