Temporary fix for --preAbandonGpuContext bug

src/gpu/SkGpuDevice.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 "SkGpuDevice.h"
 
 #include "GrBlurUtils.h"
@@ skipping 210 matching lines @@
     return texture->asRenderTarget();
 }
 
 // This method ensures that we always have a texture-backed "bitmap" when we finally
 // call through to the base impl so that the image filtering code will take the
 // gpu-specific paths. This mirrors SkCanvas::internalDrawDevice (the other
 // use of SkImageFilter::filterImage) in that the source and dest will have
 // homogenous backing (e.g., raster or gpu).
 void SkGpuDevice::drawSpriteWithFilter(const SkDraw& draw, const SkBitmap& bitmap,
                                        int x, int y, const SkPaint& paint) {
+    ASSERT_SINGLE_OWNER
+    GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawSpriteWithFilter", fContext);
+
+    if (fContext->abandoned()) {
+        return;
+    }
+
     if (bitmap.getTexture()) {
         INHERITED::drawSpriteWithFilter(draw, bitmap, x, y, paint);
         return;
     }
 
     SkAutoLockPixels alp(bitmap, !bitmap.getTexture());
     if (!bitmap.getTexture() && !bitmap.readyToDraw()) {
         return;
     }
 
@@ skipping 1674 matching lines @@
 }
 
 SkImageFilter::Cache* SkGpuDevice::getImageFilterCache() {
     ASSERT_SINGLE_OWNER
     // We always return a transient cache, so it is freed after each
     // filter traversal.
     return SkGpuDevice::NewImageFilterCache();
 }
 
 #endif