skia: Add support for CHROMIUM_image backed textures.

src/image/SkSurface.cpp

Index: src/image/SkSurface.cpp
diff --git a/src/image/SkSurface.cpp b/src/image/SkSurface.cpp
index 0315f6cc84c884467c92dd93e5952ba97c3188dc..fed13a284beaed2202f5d2bde92f71032dcc777f 100644
--- a/src/image/SkSurface.cpp
+++ b/src/image/SkSurface.cpp
@@ -204,7 +204,7 @@ SkSurface* SkSurface::NewRenderTargetDirect(GrRenderTarget*, const SkSurfaceProp
 }
 
 SkSurface* SkSurface::NewRenderTarget(GrContext*, Budgeted, const SkImageInfo&, int,
-                                      const SkSurfaceProps*) {
+                                      const SkSurfaceProps*, GrTextureStorageAllocator) {
     return nullptr;
 }