Fix build warning: 'this' pointer cannot be null in well-defined C++ code; comparison may be assume…

src/core/SkPath.cpp

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBuffer.h"
 #include "SkErrorInternals.h"
 #include "SkGeometry.h"
@@ skipping 1980 matching lines @@
 void SkPath::dump() const {
     this->dump(NULL, false, false);
 }
 
 void SkPath::dumpHex() const {
     this->dump(NULL, false, true);
 }
 
 #ifdef SK_DEBUG
 void SkPath::validate() const {
-    SkASSERT(this != NULL);
     SkASSERT((fFillType & ~3) == 0);
 
 #ifdef SK_DEBUG_PATH
     if (!fBoundsIsDirty) {
         SkRect bounds;
 
         bool isFinite = compute_pt_bounds(&bounds, *fPathRef.get());
         SkASSERT(SkToBool(fIsFinite) == isFinite);
 
         if (fPathRef->countPoints() <= 1) {
@@ skipping 780 matching lines @@
     switch (this->getFillType()) {
         case SkPath::kEvenOdd_FillType:
         case SkPath::kInverseEvenOdd_FillType:
             w &= 1;
             break;
         default:
             break;
     }
     return SkToBool(w);
 }