cc: Merge TileTaskRunner to TileTaskWorkerPool.

cc/raster/tile_task_worker_pool.cc

Index: cc/raster/tile_task_worker_pool.cc
diff --git a/cc/raster/tile_task_worker_pool.cc b/cc/raster/tile_task_worker_pool.cc
index 1e419420208209cef4577eace927e62430f91a72..b14cd8363c8e0be6a9be26c84de379f81b5fb024 100644
--- a/cc/raster/tile_task_worker_pool.cc
+++ b/cc/raster/tile_task_worker_pool.cc
@@ -9,6 +9,7 @@
 #include "base/trace_event/trace_event.h"
 #include "cc/playback/raster_source.h"
 #include "cc/raster/texture_compressor.h"
+#include "cc/resources/platform_color.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkSurface.h"
 
@@ -145,4 +146,24 @@ void TileTaskWorkerPool::PlaybackToMemory(
   NOTREACHED();
 }
 
+bool TileTaskWorkerPool::ResourceFormatRequiresSwizzle(ResourceFormat format) {
+  switch (format) {
+    case RGBA_8888:
+    case BGRA_8888:
+      // Initialize resource using the preferred PlatformColor component
+      // order and swizzle in the shader instead of in software.
+      return !PlatformColor::SameComponentOrder(format);
+    case RGBA_4444:
+    case ETC1:
+    case ALPHA_8:
+    case LUMINANCE_8:
+    case RGB_565:
+    case RED_8:
+    case LUMINANCE_F16:
+      return false;
+  }
+  NOTREACHED();
+  return false;
+}
+
 }  // namespace cc