Support format using enum argument for Async readback

content/browser/devtools/renderer_overrides_handler.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/devtools/renderer_overrides_handler.h"
 
 #include <map>
 #include <string>
 
 #include "base/barrier_closure.h"
@@ skipping 187 matching lines @@
   gfx::Rect view_bounds = host->GetView()->GetViewBounds();
   gfx::Size snapshot_size = gfx::ToFlooredSize(
       gfx::ScaleSize(view_bounds.size(), scale));
 
   view_port->CopyFromCompositingSurface(
       view_bounds, snapshot_size,
       base::Bind(&RendererOverridesHandler::ScreenshotCaptured,
                  weak_factory_.GetWeakPtr(),
                  scoped_refptr<DevToolsProtocol::Command>(), format, quality,
                  last_compositor_frame_metadata_),
-      false);
+      SkBitmap::kARGB_8888_Config);
 }
 
 void RendererOverridesHandler::ParseCaptureParameters(
     DevToolsProtocol::Command* command,
     std::string* format,
     int* quality,
     double* scale) {
   *quality = kDefaultScreenshotQuality;
   *scale = 1;
   double max_width = -1;
@@ skipping 236 matching lines @@
 
   // Fallback to copying from compositing surface.
   RenderWidgetHostViewPort* view_port =
       RenderWidgetHostViewPort::FromRWHV(host->GetView());
 
   view_port->CopyFromCompositingSurface(
       view_bounds, snapshot_size,
       base::Bind(&RendererOverridesHandler::ScreenshotCaptured,
                  weak_factory_.GetWeakPtr(), command, format, quality,
                  last_compositor_frame_metadata_),
-      false);
+      SkBitmap::kARGB_8888_Config);
   return command->AsyncResponsePromise();
 }
 
 scoped_refptr<DevToolsProtocol::Response>
 RendererOverridesHandler::PageCanScreencast(
     scoped_refptr<DevToolsProtocol::Command> command) {
   base::DictionaryValue* result = new base::DictionaryValue();
 #if defined(OS_ANDROID)
   result->SetBoolean(devtools::kResult, true);
 #else
@@ skipping 496 matching lines @@
       return NULL;
     }
     event.data.pinchUpdate.scale = static_cast<float>(scale);
   }
 
   host->ForwardGestureEvent(event);
   return command->SuccessResponse(NULL);
 }
 
 }  // namespace content