Support format using enum argument for Async readback

content/browser/devtools/renderer_overrides_handler.cc

Index: content/browser/devtools/renderer_overrides_handler.cc
diff --git a/content/browser/devtools/renderer_overrides_handler.cc b/content/browser/devtools/renderer_overrides_handler.cc
index 8dfe5bc9531edf97845e827a6b37ef7a1b77865a..0f906152dab2d609ac01db099107d7438b27b791 100644
--- a/content/browser/devtools/renderer_overrides_handler.cc
+++ b/content/browser/devtools/renderer_overrides_handler.cc
@@ -205,7 +205,7 @@ void RendererOverridesHandler::InnerSwapCompositorFrame() {
                  weak_factory_.GetWeakPtr(),
                  scoped_refptr<DevToolsProtocol::Command>(), format, quality,
                  last_compositor_frame_metadata_),
-      false);
+      SkBitmap::kARGB_8888_Config);
 }
 
 void RendererOverridesHandler::ParseCaptureParameters(
@@ -462,7 +462,7 @@ RendererOverridesHandler::PageCaptureScreenshot(
       base::Bind(&RendererOverridesHandler::ScreenshotCaptured,
                  weak_factory_.GetWeakPtr(), command, format, quality,
                  last_compositor_frame_metadata_),
-      false);
+      SkBitmap::kARGB_8888_Config);
   return command->AsyncResponsePromise();
 }