Remove unused matrix param from GrContext/GrDrawTarget rect drawing functions.

src/gpu/SkGpuDevice.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 "SkGpuDevice.h"
 
 #include "effects/GrBicubicEffect.h"
@@ skipping 1363 matching lines @@
 
     // Construct a GrPaint by setting the bitmap texture as the first effect and then configuring
     // the rest from the SkPaint.
     GrPaint grPaint;
     grPaint.addColorEffect(effect);
     bool alphaOnly = !(kAlpha_8_SkColorType == bitmap.colorType());
     GrColor paintColor = (alphaOnly) ? SkColor2GrColorJustAlpha(paint.getColor()) :
                                        SkColor2GrColor(paint.getColor());
     SkPaint2GrPaintNoShader(this->context(), paint, paintColor, false, &grPaint);
 
-    fContext->drawRectToRect(grPaint, dstRect, paintRect, NULL);
+    fContext->drawRectToRect(grPaint, dstRect, paintRect);
 }
 
 static bool filter_texture(SkBaseDevice* device, GrContext* context,
                            GrTexture* texture, const SkImageFilter* filter,
                            int w, int h, const SkImageFilter::Context& ctx,
                            SkBitmap* result, SkIPoint* offset) {
     SkASSERT(filter);
     SkDeviceImageFilterProxy proxy(device);
 
     if (filter->canFilterImageGPU()) {
@@ skipping 728 matching lines @@
     }
 
     return true;
 }
 
 SkImageFilter::UniqueIDCache* SkGpuDevice::getImageFilterCache() {
     // We always return a transient cache, so it is freed after each
     // filter traversal.
     return SkImageFilter::UniqueIDCache::Create(kDefaultImageFilterCacheSize);
 }