content/aura: Use a PaintRecorder to access the Canvas for painting.

content/browser/web_contents/aura/shadow_layer_delegate.cc

Index: content/browser/web_contents/aura/shadow_layer_delegate.cc
diff --git a/content/browser/web_contents/aura/shadow_layer_delegate.cc b/content/browser/web_contents/aura/shadow_layer_delegate.cc
index e4ae537938b6afcfddc3aad7d6e56f6bece7f72e..54543075adc8648a332f1afbe3f938fae442e758 100644
--- a/content/browser/web_contents/aura/shadow_layer_delegate.cc
+++ b/content/browser/web_contents/aura/shadow_layer_delegate.cc
@@ -8,7 +8,7 @@
 #include "third_party/skia/include/effects/SkGradientShader.h"
 #include "ui/aura/window.h"
 #include "ui/compositor/layer.h"
-#include "ui/compositor/paint_context.h"
+#include "ui/compositor/paint_recorder.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/skia_util.h"
 
@@ -49,7 +49,9 @@ void ShadowLayerDelegate::OnPaintLayer(const ui::PaintContext& context) {
                                    layer_->bounds().height());
   SkPaint paint;
   paint.setShader(shader.get());
-  context.canvas()->sk_canvas()->drawRect(gfx::RectToSkRect(paint_rect), paint);
+  ui::PaintRecorder recorder(context);
+  recorder.canvas()->sk_canvas()->drawRect(gfx::RectToSkRect(paint_rect),
+                                           paint);

[sadrul, 2015/04/07 21:12:15]

I wonder if there's a reason this doesn't use canvas()->DrawRect() instead.

[danakj, 2015/04/07 21:13:25]

Oh. I didn't even read that, I agree, and I'll switch it in another CL.

 }
 
 void ShadowLayerDelegate::OnDelegatedFrameDamage(