Make uncached textures uncached from the get go.

src/gpu/GrResourceCache2.cpp

Index: src/gpu/GrResourceCache2.cpp
diff --git a/src/gpu/GrResourceCache2.cpp b/src/gpu/GrResourceCache2.cpp
index 1db96ec1cce8352ee468d95372b76b3df287576d..e23f9688acf881691a4861641e28b68d3dff847a 100644
--- a/src/gpu/GrResourceCache2.cpp
+++ b/src/gpu/GrResourceCache2.cpp
@@ -261,10 +261,9 @@ void GrResourceCache2::notifyPurgable(GrGpuResource* resource) {
     bool noKey = !resource->cacheAccess().isScratch() &&
                  (NULL == resource->cacheAccess().getContentKey());
 
-    // Wrapped resources should never have a key.
-    SkASSERT(noKey || !resource->cacheAccess().isWrapped());
+    // Only cached resources should ever have a key.
+    SkASSERT(noKey || resource->cacheAccess().isBudgeted());
 
-    // And purge if the resource is wrapped
     if (overBudget || noKey) {
         SkDEBUGCODE(int beforeCount = fCount;)
         resource->cacheAccess().release();
@@ -316,7 +315,6 @@ void GrResourceCache2::didChangeBudgetStatus(GrGpuResource* resource) {
     this->validate();
 }
 
-
 void GrResourceCache2::internalPurgeAsNeeded() {
     SkASSERT(!fPurging);
     SkASSERT(!fNewlyPurgableResourceWhilePurging);