Move nested class GrDrawTarget::Caps out as GrDrawTargetCaps.

src/gpu/effects/GrConfigConversionEffect.cpp

Index: src/gpu/effects/GrConfigConversionEffect.cpp
===================================================================
--- src/gpu/effects/GrConfigConversionEffect.cpp	(revision 8365)
+++ src/gpu/effects/GrConfigConversionEffect.cpp	(working copy)
@@ -135,6 +135,7 @@
 
 GrEffectRef* GrConfigConversionEffect::TestCreate(SkMWCRandom* random,
                                                   GrContext*,
+                                                  const GrDrawTargetCaps&,
                                                   GrTexture* textures[]) {
     PMConversion pmConv = static_cast<PMConversion>(random->nextULessThan(kPMConversionCnt));
     bool swapRB;