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

src/gpu/SkGpuDevice.cpp

Index: src/gpu/SkGpuDevice.cpp
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index d8b0ee0b6449eaa6a5456e5fb9c074ffc398883c..3434671d6add50f4532dcf25ba4fe0545edc01b7 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -1959,7 +1959,7 @@ SkBaseDevice* SkGpuDevice::onCreateDevice(const CreateInfo& cinfo, const SkPaint
             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;
     }