adding preabandon flag to DM

src/effects/SkBlurMaskFilter.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 "SkBlurMaskFilter.h"
 #include "SkBlurMask.h"
@@ skipping 947 matching lines @@
         SkBlurMask::BoxBlur(&blurred_mask, mask, sigma, kNormal_SkBlurStyle, kHigh_SkBlurQuality,
                             NULL, true );
 
         unsigned int texSide = smallRectSide + 2*blurRadius;
         GrSurfaceDesc texDesc;
         texDesc.fWidth = texSide;
         texDesc.fHeight = texSide;
         texDesc.fConfig = kAlpha_8_GrPixelConfig;
 
         blurNinePatchTexture = context->createTexture(texDesc, true, blurred_mask.fImage, 0);
+        if (!blurNinePatchTexture) {
+            return NULL;
+        }
         context->addResourceToCache(key, blurNinePatchTexture);
 
         SkMask::FreeImage(blurred_mask.fImage);
     }
 
     SkAutoTUnref<GrTexture> blurunref(blurNinePatchTexture);
     if (NULL == blurNinePatchTexture) {
         return NULL;
     }
 
@@ skipping 291 matching lines @@
     } else {
         str->append("None");
     }
     str->append("))");
 }
 #endif
 
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl)
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END