Remove GrTextureStorageAllocator. This was added from Chromium but never used and not expected to b…

src/gpu/GrTexture.cpp

Index: src/gpu/GrTexture.cpp
diff --git a/src/gpu/GrTexture.cpp b/src/gpu/GrTexture.cpp
index 9051c851bd4db591afb38074cfb9c512d8859479..349e6a383ff2160943d13ab2914b46c82be26e8d 100644
--- a/src/gpu/GrTexture.cpp
+++ b/src/gpu/GrTexture.cpp
@@ -90,8 +90,7 @@ GrTexture::GrTexture(GrGpu* gpu, LifeCycle lifeCycle, const GrSurfaceDesc& desc,
                      GrSLType samplerType, bool wasMipMapDataProvided)
     : INHERITED(gpu, lifeCycle, desc)
     , fSamplerType(samplerType) {
-    if (!this->isExternal() && !GrPixelConfigIsCompressed(desc.fConfig) &&
-        !desc.fTextureStorageAllocator.fAllocateTextureStorage) {
+    if (!this->isExternal() && !GrPixelConfigIsCompressed(desc.fConfig)) {
         GrScratchKey key;
         GrTexturePriv::ComputeScratchKey(desc, &key);
         this->setScratchKey(key);