Remove warning DCHECK from GPU Image Decode Controller

cc/tiles/gpu_image_decode_controller.cc

Index: cc/tiles/gpu_image_decode_controller.cc
diff --git a/cc/tiles/gpu_image_decode_controller.cc b/cc/tiles/gpu_image_decode_controller.cc
index 83ce4c4cf1c4677c5945f3d228bdb12b3e03dd28..50e3674782d0dd3a42e221b76d5178878d0131d0 100644
--- a/cc/tiles/gpu_image_decode_controller.cc
+++ b/cc/tiles/gpu_image_decode_controller.cc
@@ -973,12 +973,9 @@ void GpuImageDecodeController::DecodeImageIfNecessary(
         break;
       }
       case DecodedDataMode::GPU: {
-        // Params should not have changed since initial sizing.
-        DCHECK(image_data->upload_params.fMatrix == draw_image.matrix());
-        DCHECK_EQ(image_data->upload_params.fPreScaleMipLevel,
-                  CalculateUploadScaleMipLevel(draw_image));
-        DCHECK_EQ(image_data->upload_params.fQuality,
-                  CalculateUploadScaleFilterQuality(draw_image));
+        // TODO(crbug.com/649167): Params should not have changed since initial
+        // sizing. Somehow this still happens. We should investigate and re-add
+        // DCHECKs here to enforce this.
 
         if (!draw_image.image()->getDeferredTextureImageData(
                 *context_threadsafe_proxy_.get(), &image_data->upload_params, 1,