Make uncached textures uncached from the get go.

src/gpu/GrAtlas.cpp

Index: src/gpu/GrAtlas.cpp
diff --git a/src/gpu/GrAtlas.cpp b/src/gpu/GrAtlas.cpp
index c065dabd0b677deffb80ddfbf0ea4d7ae9859bc5..7ebdf6eb12587952d0d0233a7c28bca2dcdb2e73 100644
--- a/src/gpu/GrAtlas.cpp
+++ b/src/gpu/GrAtlas.cpp
@@ -225,7 +225,7 @@ GrPlot* GrAtlas::addToAtlas(ClientPlotUsage* usage,
         desc.fHeight = fBackingTextureSize.height();
         desc.fConfig = fPixelConfig;
 
-        fTexture = fGpu->createTexture(desc, NULL, 0);
+        fTexture = fGpu->createTexture(desc, true, NULL, 0);
         if (NULL == fTexture) {
             return NULL;
         }