Fix SkTileImageFilter when srcRect is a superset of bitmap bounds.

src/core/SkImageFilter.cpp

Index: src/core/SkImageFilter.cpp
diff --git a/src/core/SkImageFilter.cpp b/src/core/SkImageFilter.cpp
index 95988f844c4c7ef7c96394295b8de185478c1e28..467e6ee9775fe9777bd1a69f245b8a894fa06669 100644
--- a/src/core/SkImageFilter.cpp
+++ b/src/core/SkImageFilter.cpp
@@ -681,9 +681,10 @@ void SkImageFilter::PurgeCache() {
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
-SkBaseDevice* SkImageFilter::DeviceProxy::createDevice(int w, int h) {
+SkBaseDevice* SkImageFilter::DeviceProxy::createDevice(int w, int h, bool tile) {
     SkBaseDevice::CreateInfo cinfo(SkImageInfo::MakeN32Premul(w, h),
-                                   SkBaseDevice::kNever_TileUsage,
+                                   tile ? SkBaseDevice::kPossible_TileUsage
+                                        : SkBaseDevice::kNever_TileUsage,
                                    kUnknown_SkPixelGeometry,
                                    false,   /* preserveLCDText */
                                    true /*forImageFilter*/);