Implements core logic for Pixel Canvas

ui/compositor/canvas_painter.cc

Index: ui/compositor/canvas_painter.cc
diff --git a/ui/compositor/canvas_painter.cc b/ui/compositor/canvas_painter.cc
index a12e85ab06efe118dfddcef8d0cac1ca04b90f4a..fc6c1248c7601826df98281a2b63cc39c52ebad7 100644
--- a/ui/compositor/canvas_painter.cc
+++ b/ui/compositor/canvas_painter.cc
@@ -5,6 +5,7 @@
 #include "ui/compositor/canvas_painter.h"
 
 #include "cc/paint/display_item_list.h"
+#include "ui/compositor/compositor_switches.h"
 
 namespace ui {
 
@@ -17,7 +18,11 @@ CanvasPainter::CanvasPainter(SkBitmap* output,
       raster_scale_(raster_scale),
       clear_color_(clear_color),
       list_(new cc::DisplayItemList),
-      context_(list_.get(), raster_scale, gfx::Rect(paint_size_)) {}
+      context_(list_.get(),
+               raster_scale,
+               gfx::ScaleToRoundedRect(
+                   gfx::Rect(paint_size_),
+                   IsPixelCanvasRecordingEnabled() ? raster_scale : 1.f)) {}

[danakj, 2017/07/21 17:29:39]

Rather than reading the command line and trying to intercept that for tests, can
you just move the decision to use this higher and pass in the information this
class needs?

[malaykeshav, 2017/07/21 23:30:17]

Done

 
 CanvasPainter::~CanvasPainter() {
   gfx::Size pixel_size = gfx::ScaleToCeiledSize(paint_size_, raster_scale_);