Raster PictureLayerTiling with fractional translation

cc/output/software_renderer.cc

Index: cc/output/software_renderer.cc
diff --git a/cc/output/software_renderer.cc b/cc/output/software_renderer.cc
index 958bfeea0ed50fa70fd91fd8e7037d8b1dd9fcdc..276166749f7a3be8f67d70a7c59fce39d9063e5a 100644
--- a/cc/output/software_renderer.cc
+++ b/cc/output/software_renderer.cc
@@ -7,6 +7,7 @@
 #include "base/memory/ptr_util.h"
 #include "base/trace_event/trace_event.h"
 #include "cc/base/math_util.h"
+#include "cc/base/scale_translate2d.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_metadata.h"
 #include "cc/output/copy_output_request.h"
@@ -362,11 +363,13 @@ void SoftwareRenderer::DrawPictureQuad(const DrawingFrame* frame,
                                               disable_image_filtering);
     quad->raster_source->PlaybackToCanvas(
         &filtered_canvas, quad->content_rect, quad->content_rect,
-        quad->contents_scale, playback_settings);
+        ScaleTranslate2d(quad->contents_scale, gfx::Vector2dF()),
+        playback_settings);
   } else {
     quad->raster_source->PlaybackToCanvas(
         current_canvas_, quad->content_rect, quad->content_rect,
-        quad->contents_scale, playback_settings);
+        ScaleTranslate2d(quad->contents_scale, gfx::Vector2dF()),
+        playback_settings);
   }
 }