Cleaned a repeated if(condition) with the same condition

src/core/SkBitmap.cpp

 
 /*
  * Copyright 2008 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 "SkBitmap.h"
@@ skipping 277 matching lines @@
     if (pr) {
         const SkImageInfo& info = pr->info();
         fPixelRefOrigin.set(SkPin32(dx, 0, info.fWidth),
                             SkPin32(dy, 0, info.fHeight));
     } else {
         // ignore dx,dy if there is no pixelref
         fPixelRefOrigin.setZero();
     }
 
     if (fPixelRef != pr) {
-        if (fPixelRef != pr) {
-            this->freePixels();
-            SkASSERT(NULL == fPixelRef);
+        this->freePixels();
+        SkASSERT(NULL == fPixelRef);
 
-            SkSafeRef(pr);
-            fPixelRef = pr;
-        }
+        SkSafeRef(pr);
+        fPixelRef = pr;
         this->updatePixelsFromRef();
     }
 
     SkDEBUGCODE(this->validate();)
     return pr;
 }
 
 void SkBitmap::lockPixels() const {
     if (NULL != fPixelRef && 0 == sk_atomic_inc(&fPixelLockCount)) {
         fPixelRef->lockPixels();
@@ skipping 1111 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifdef SK_DEBUG
 void SkImageInfo::validate() const {
     SkASSERT(fWidth >= 0);
     SkASSERT(fHeight >= 0);
     SkASSERT(SkColorTypeIsValid(fColorType));
     SkASSERT(SkAlphaTypeIsValid(fAlphaType));
 }
 #endif