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

src/gpu/GrDefaultPathRenderer.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 "GrDefaultPathRenderer.h"
 
 #include "GrContext.h"
@@ skipping 473 matching lines @@
                 if (!drawState->getViewMatrix().hasPerspective() &&
                     drawState->getViewInverse(&vmi)) {
                     vmi.mapRect(&bounds);
                 } else {
                     avmr.setIdentity(drawState);
                 }
             } else {
                 bounds = path.getBounds();
             }
             GrDrawTarget::AutoGeometryAndStatePush agasp(target, GrDrawTarget::kPreserve_ASRInit);
-            target->drawSimpleRect(bounds, NULL);
+            target->drawSimpleRect(bounds);
         } else {
             if (passCount > 1) {
                 drawState->enableState(GrDrawState::kNoColorWrites_StateBit);
             }
             if (indexCnt) {
                 target->drawIndexed(primType, 0, 0,
                                     vertexCnt, indexCnt, &devBounds);
             } else {
                 target->drawNonIndexed(primType, 0, vertexCnt, &devBounds);
             }
@@ skipping 23 matching lines @@
                                   false);
 }
 
 void GrDefaultPathRenderer::onStencilPath(const SkPath& path,
                                           const SkStrokeRec& stroke,
                                           GrDrawTarget* target) {
     SkASSERT(SkPath::kInverseEvenOdd_FillType != path.getFillType());
     SkASSERT(SkPath::kInverseWinding_FillType != path.getFillType());
     this->internalDrawPath(path, stroke, target, true);
 }