Organize Layout Hooks (content-side).

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 "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 1388 matching lines @@
   // Always send this notification to prevent new layer tree views from
   // being created, even if one hasn't been created yet.
   if (webwidget_)
     webwidget_->willCloseLayerTreeView();
 }
 
 blink::WebLayerTreeView* RenderWidget::layerTreeView() {
   return compositor_.get();
 }
 
+void RenderWidget::didFirstVisuallyNonEmptyLayout() {
+  // TODO(dglazkov): Remove this -- we should just pass background color
+  // in CompositorFrameMetadata.
+#if defined(OS_ANDROID)
+  DidChangeBodyBackgroundColor(webwidget_->backgroundColor());
+#endif
+
+  QueueMessage(
+      new ViewHostMsg_DidFirstVisuallyNonEmptyPaint(routing_id_),
+      MESSAGE_DELIVERY_POLICY_WITH_VISUAL_STATE);
+}
+
+void RenderWidget::didFirstLayoutAfterFinishedParsing() {
+  // TODO(dglazkov): Use this hook to drive CapturePageInfo.
+}
+
 void RenderWidget::WillBeginCompositorFrame() {
   TRACE_EVENT0("gpu", "RenderWidget::willBeginCompositorFrame");
 
   // The UpdateTextInputState can result in further layout and possibly
   // enable GPU acceleration so they need to be called before any painting
   // is done.
   UpdateTextInputState(NO_SHOW_IME, FROM_NON_IME);
   UpdateSelectionBounds();
 }
 
@@ skipping 1023 matching lines @@
 void RenderWidget::RegisterVideoHoleFrame(RenderFrameImpl* frame) {
   video_hole_frames_.AddObserver(frame);
 }
 
 void RenderWidget::UnregisterVideoHoleFrame(RenderFrameImpl* frame) {
   video_hole_frames_.RemoveObserver(frame);
 }
 #endif  // defined(VIDEO_HOLE)
 
 }  // namespace content