Use surface copy requests for layout tests.

content/renderer/render_widget.cc

 // Copyright (c) 2012 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/renderer/render_widget.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/feature_list.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/singleton.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_info.h"
 #include "base/trace_event/trace_event.h"
 #include "base/trace_event/trace_event_synthetic_delay.h"
 #include "build/build_config.h"
+#include "cc/output/copy_output_request.h"
 #include "cc/output/output_surface.h"
 #include "cc/scheduler/begin_frame_source.h"
 #include "components/scheduler/renderer/render_widget_scheduling_state.h"
 #include "components/scheduler/renderer/renderer_scheduler.h"
 #include "content/common/content_switches_internal.h"
 #include "content/common/input/synthetic_gesture_packet.h"
 #include "content/common/input/web_input_event_traits.h"
 #include "content/common/input_messages.h"
 #include "content/common/swapped_out_messages.h"
 #include "content/common/text_input_state.h"
@@ skipping 774 matching lines @@
   // The UpdateTextInputState can result in further layout and possibly
   // enable GPU acceleration so they need to be called before any painting
   // is done.
   UpdateTextInputState(ShowIme::HIDE_IME, ChangeSource::FROM_NON_IME);
   UpdateSelectionBounds();
 
   FOR_EACH_OBSERVER(RenderFrameProxy, render_frame_proxies_,
                     WillBeginCompositorFrame());
 }
 
+std::unique_ptr<cc::SwapPromise> RenderWidget::RequestCopyOfOutputForLayoutTest(
+    std::unique_ptr<cc::CopyOutputRequest> request) {
+  return RenderThreadImpl::current()->RequestCopyOfOutputForLayoutTest(
+      routing_id_, std::move(request));
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // RenderWidgetInputHandlerDelegate
 
 void RenderWidget::FocusChangeComplete() {
   if (owner_delegate_)
     owner_delegate_->RenderWidgetFocusChangeComplete();
 }
 
 bool RenderWidget::HasTouchEventHandlersAt(const gfx::Point& point) const {
   if (owner_delegate_)
@@ skipping 1210 matching lines @@
 void RenderWidget::requestPointerUnlock() {
   mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
 }
 
 bool RenderWidget::isPointerLocked() {
   return mouse_lock_dispatcher_->IsMouseLockedTo(
       webwidget_mouse_lock_target_.get());
 }
 
 }  // namespace content