onCreateDevice -> NULL now means the caller should create its own (bitmap) device

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 "GrBitmapTextContext.h"
@@ skipping 1936 matching lines @@
                                                 GrContext::kApprox_ScratchTexMatch :
                                                 GrContext::kExact_ScratchTexMatch;
     texture.reset(fContext->refScratchTexture(desc, match));
 
     if (texture) {
         SkSurfaceProps props(fSurfaceProps.flags(), cinfo.fPixelGeometry);
         return SkGpuDevice::Create(
             texture->asRenderTarget(), cinfo.fInfo.width(), cinfo.fInfo.height(), &props, flags);
     } else {
         SkErrorInternals::SetError( kInternalError_SkError,
-                                    "---- failed to create compatible device texture [%d %d]\n",
+                                    "---- failed to create gpu device texture [%d %d]\n",
                                     cinfo.fInfo.width(), cinfo.fInfo.height());
         return NULL;
     }
 }
 
 SkSurface* SkGpuDevice::newSurface(const SkImageInfo& info, const SkSurfaceProps& props) {
     // TODO: Change the signature of newSurface to take a budgeted parameter.
     static const SkSurface::Budgeted kBudgeted = SkSurface::kNo_Budgeted;
     return SkSurface::NewRenderTarget(fContext, kBudgeted, info, fRenderTarget->numSamples(),
                                       &props);
@@ skipping 65 matching lines @@
 #endif
 }
 
 SkImageFilter::Cache* SkGpuDevice::getImageFilterCache() {
     // We always return a transient cache, so it is freed after each
     // filter traversal.
     return SkImageFilter::Cache::Create(kDefaultImageFilterCacheSize);
 }
 
 #endif