[canvaskit] Bump GPU resource cache to 256MB

Bug: skia:
Change-Id: I398ef2e79076018f3f62e62a2040052eeaf60784
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/206066
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Kevin Lubick <kjlubick@google.com>

modules/canvaskit/gpu.js

@@ -67,6 +67,10 @@
           throw 'failed to create webgl context: err ' + ctx;
         }
 
+        // Bump the default resource cache limit.
+        var RESOURCE_CACHE_BYTES = 256 * 1024 * 1024;
+        ctx.setResourceCacheLimitBytes(RESOURCE_CACHE_BYTES);
+
         if (!canvas && (!width || !height)) {
           throw 'height and width must be provided with context';
         }