Remove createUncachedTexture function, attempt to recycle scratch in createTexture.

src/effects/SkBlurMaskFilter.cpp

Index: src/effects/SkBlurMaskFilter.cpp
diff --git a/src/effects/SkBlurMaskFilter.cpp b/src/effects/SkBlurMaskFilter.cpp
index c33edc2ee182f0ec98a69c64d21f6ab0cbb26b85..b521546a8004558542a7ca871d7a96cc16b13f53 100644
--- a/src/effects/SkBlurMaskFilter.cpp
+++ b/src/effects/SkBlurMaskFilter.cpp
@@ -771,7 +771,7 @@ bool GrRectBlurEffect::CreateBlurProfileTexture(GrContext *context, float sigma,
         SkBlurMask::ComputeBlurProfile(sigma, &profile);
         ada.reset(profile);
 
-        *blurProfileTexture = context->createTexture(texDesc, profile, 0);
+        *blurProfileTexture = context->createTexture(texDesc, true, profile, 0);
 
         if (NULL == *blurProfileTexture) {
             return false;
@@ -959,7 +959,7 @@ GrFragmentProcessor* GrRRectBlurEffect::Create(GrContext* context, float sigma,
         texDesc.fHeight = texSide;
         texDesc.fConfig = kAlpha_8_GrPixelConfig;
 
-        blurNinePatchTexture = context->createTexture(texDesc, blurred_mask.fImage, 0);
+        blurNinePatchTexture = context->createTexture(texDesc, true, blurred_mask.fImage, 0);
         SkAssertResult(context->addResourceToCache(key, blurNinePatchTexture));
 
         SkMask::FreeImage(blurred_mask.fImage);