cc: Fix BytesPerPixel issue and refactor.

cc/raster/pixel_buffer_tile_task_worker_pool.cc

Index: cc/raster/pixel_buffer_tile_task_worker_pool.cc
diff --git a/cc/raster/pixel_buffer_tile_task_worker_pool.cc b/cc/raster/pixel_buffer_tile_task_worker_pool.cc
index df79519485d8d3ee1b1301e24b699c235467c81b..bdd9bbf76ce7f015d9eef39e4c75d0f32bae7bee 100644
--- a/cc/raster/pixel_buffer_tile_task_worker_pool.cc
+++ b/cc/raster/pixel_buffer_tile_task_worker_pool.cc
@@ -438,7 +438,7 @@ void PixelBufferTileTaskWorkerPool::CheckForCompletedUploads() {
 
     // We can use UncheckedMemorySizeBytes here, since these tasks come from
     // tiles, the size of which is controlled by the compositor.
-    bytes_pending_upload_ -= Resource::UncheckedMemorySizeBytes(
+    bytes_pending_upload_ -= ResourceUtil::UncheckedMemorySizeBytes(
         task->resource()->size(), task->resource()->format());
 
     task->WillComplete();
@@ -547,7 +547,7 @@ void PixelBufferTileTaskWorkerPool::ScheduleMoreTasks() {
     size_t new_bytes_pending_upload = bytes_pending_upload;
     // We can use UncheckedMemorySizeBytes here, since these tasks come from
     // tiles, the size of which is controlled by the compositor.
-    new_bytes_pending_upload += Resource::UncheckedMemorySizeBytes(
+    new_bytes_pending_upload += ResourceUtil::UncheckedMemorySizeBytes(
         task->resource()->size(), task->resource()->format());
     if (new_bytes_pending_upload > max_bytes_pending_upload_ &&
         bytes_pending_upload) {
@@ -714,7 +714,7 @@ void PixelBufferTileTaskWorkerPool::CheckForCompletedRasterizerTasks() {
 
     // We can use UncheckedMemorySizeBytes here, since these tasks come from
     // tiles, the size of which is controlled by the compositor.
-    bytes_pending_upload_ += Resource::UncheckedMemorySizeBytes(
+    bytes_pending_upload_ += ResourceUtil::UncheckedMemorySizeBytes(
         raster_task->resource()->size(), raster_task->resource()->format());
     raster_tasks_with_pending_upload_.push_back(raster_task);
     state.type = RasterTaskState::UPLOADING;