Make texture domain a helper so that it can be incorporated into other effects.

src/gpu/SkGpuDevice.cpp

Index: src/gpu/SkGpuDevice.cpp
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index 9580d22b06f50bba8db4a25d0ed569d417079f34..2555b41c515637b5c1f62bba4029ca2d74399e86 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -8,7 +8,7 @@
 #include "SkGpuDevice.h"
 
 #include "effects/GrBicubicEffect.h"
-#include "effects/GrTextureDomainEffect.h"
+#include "effects/GrTextureDomain.h"
 #include "effects/GrSimpleTextureEffect.h"
 
 #include "GrContext.h"
@@ -1420,7 +1420,7 @@ void SkGpuDevice::internalDrawBitmap(const SkBitmap& bitmap,
         effect.reset(GrTextureDomainEffect::Create(texture,
                                                    SkMatrix::I(),
                                                    textureDomain,
-                                                   GrTextureDomainEffect::kClamp_WrapMode,
+                                                   GrTextureDomain::kClamp_Mode,
                                                    params.filterMode()));
     } else if (bicubic) {
         effect.reset(GrBicubicEffect::Create(texture, SkMatrix::I(), params));