Remove useless SkASSERT in SkRect.h and SkRegion.h

include/core/SkRect.h

 /*
  * 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.
  */
 
 #ifndef SkRect_DEFINED
 #define SkRect_DEFINED
 
@@ skipping 263 matching lines @@
 
     bool containsNoEmptyCheck(const SkIRect& r) const {
         return containsNoEmptyCheck(r.fLeft, r.fTop, r.fRight, r.fBottom);
     }
 
     /** If r intersects this rectangle, return true and set this rectangle to that
         intersection, otherwise return false and do not change this rectangle.
         If either rectangle is empty, do nothing and return false.
     */
     bool SK_WARN_UNUSED_RESULT intersect(const SkIRect& r) {
-        SkASSERT(&r);
         return this->intersect(r.fLeft, r.fTop, r.fRight, r.fBottom);
     }
 
     /** If rectangles a and b intersect, return true and set this rectangle to
         that intersection, otherwise return false and do not change this
         rectangle. If either rectangle is empty, do nothing and return false.
     */
     bool SK_WARN_UNUSED_RESULT intersect(const SkIRect& a, const SkIRect& b) {
 
         if (!a.isEmpty() && !b.isEmpty() &&
@@ skipping 615 matching lines @@
     void dumpHex() const { this->dump(true); }
 };
 
 inline bool SkIRect::contains(const SkRect& r) const {
     return  !r.isEmpty() && !this->isEmpty() &&     // check for empties
             (SkScalar)fLeft <= r.fLeft && (SkScalar)fTop <= r.fTop &&
             (SkScalar)fRight >= r.fRight && (SkScalar)fBottom >= r.fBottom;
 }
 
 #endif