Re-enable CPU mipmap generation for Ganesh. Aniso mips were landed a while ago. However, the CPU bu…

src/core/SkImageCacherator.cpp

Index: src/core/SkImageCacherator.cpp
diff --git a/src/core/SkImageCacherator.cpp b/src/core/SkImageCacherator.cpp
index bb389e986b4e4d831ddd5d66bead22324729b824..7b5ff2267774463584c525bdd0f2cc5ee3fcbd8a 100644
--- a/src/core/SkImageCacherator.cpp
+++ b/src/core/SkImageCacherator.cpp
@@ -303,11 +303,10 @@ GrTexture* SkImageCacherator::lockTexture(GrContext* ctx, const GrUniqueKey& key
     SkBitmap bitmap;
     if (this->tryLockAsBitmap(&bitmap, client, chint)) {
         GrTexture* tex = nullptr;
-        // disable mipmapping until we generate anisotropic mipmap levels
-        willBeMipped = false;
         if (willBeMipped) {
             tex = GrGenerateMipMapsAndUploadToTexture(ctx, bitmap);
-        } else {
+        }
+        if (!tex) {
             tex = GrUploadBitmapToTexture(ctx, bitmap);
         }
         if (tex) {