cc: Plumb gpu/sw image decode limits as layer tree settings.

cc/playback/raster_source_unittest.cc

Index: cc/playback/raster_source_unittest.cc
diff --git a/cc/playback/raster_source_unittest.cc b/cc/playback/raster_source_unittest.cc
index 21340a250dc978e1f21e700b27eb79b3ccb7c41c..3dac03c258340da9a05545eb008186ca8f4fea92 100644
--- a/cc/playback/raster_source_unittest.cc
+++ b/cc/playback/raster_source_unittest.cc
@@ -572,7 +572,9 @@ TEST(RasterSourceTest, ImageHijackCanvasRespectsSharedCanvasTransform) {
   bool can_use_lcd = true;
   scoped_refptr<RasterSource> raster_source =
       recording_source->CreateRasterSource(can_use_lcd);
-  SoftwareImageDecodeController controller;
+  SoftwareImageDecodeController controller(
+      ResourceFormat::RGBA_8888,
+      LayerTreeSettings().software_decoded_image_budget_bytes);
   raster_source->SetImageDecodeController(&controller);
 
   SkBitmap bitmap;