Stage.

components/viz/service/display/software_renderer.cc

@@ -35,12 +35,16 @@
 #include "skia/ext/legacy_display_globals.h"
 #include "skia/ext/opacity_filter_canvas.h"
 #include "third_party/skia/include/core/SkCanvas.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+#include "third_party/skia/include/core/SkImageEncoder.h"
+#include "third_party/skia/include/core/SkStream.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkImageFilter.h"
 #include "third_party/skia/include/core/SkMatrix.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "third_party/skia/include/core/SkPoint.h"
 #include "third_party/skia/include/core/SkShader.h"
+#include "third_party/skia/include/core/SkData.h"
 #include "third_party/skia/include/effects/SkShaderMaskFilter.h"
 #include "ui/gfx/geometry/axis_transform2d.h"
 #include "ui/gfx/geometry/rect_conversions.h"
@@ -99,13 +103,16 @@ bool SoftwareRenderer::CanPartialSwap() {
 
 void SoftwareRenderer::BeginDrawingFrame() {
   TRACE_EVENT0("viz", "SoftwareRenderer::BeginDrawingFrame");
+  printf("SoftwareRenderer::BeginDrawingFrame()");
 }
 
 void SoftwareRenderer::FinishDrawingFrame() {
   TRACE_EVENT0("viz", "SoftwareRenderer::FinishDrawingFrame");
+
   current_framebuffer_canvas_.reset();
   current_canvas_ = nullptr;
 
+  printf("SoftwareRenderer::FinishDrawingFrame()");
   if (root_canvas_)
     output_device_->EndPaint();
   root_canvas_ = nullptr;