Roll Chrome into Mojo.

cc/resources/picture_pile.cc

Index: cc/resources/picture_pile.cc
diff --git a/cc/resources/picture_pile.cc b/cc/resources/picture_pile.cc
index 1057d2dea9de4cfba936a661a8831a903730e7f8..f42244cf2f135f6d72c029b76606840b91097278 100644
--- a/cc/resources/picture_pile.cc
+++ b/cc/resources/picture_pile.cc
@@ -156,7 +156,8 @@ void ClusterTiles(const std::vector<gfx::Rect>& invalid_tiles,
 
 namespace cc {
 
-PicturePile::PicturePile()
+PicturePile::PicturePile(float min_contents_scale,
+                         const gfx::Size& tile_grid_size)
     : min_contents_scale_(0),
       slow_down_raster_scale_factor_for_debug_(0),
       can_use_lcd_text_(true),
@@ -166,6 +167,8 @@ PicturePile::PicturePile()
       pixel_record_distance_(kPixelDistanceToRecord),
       is_suitable_for_gpu_rasterization_(true) {
   tiling_.SetMaxTextureSize(gfx::Size(kBasePictureSize, kBasePictureSize));
+  SetMinContentsScale(min_contents_scale);
+  SetTileGridSize(tile_grid_size);
 }
 
 PicturePile::~PicturePile() {