Revert of Revert of cc: Remove tile rasterize on demand for GPU rasterization

cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc

Index: cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc
diff --git a/cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc b/cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc
index a5ccb8b65c3bfdad1b0595caf859cfbf8d3a847c..4d60baf355e89ef5437a964c28f032162cad8da1 100644
--- a/cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc
+++ b/cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc
@@ -111,19 +111,6 @@
   RunOnDemandRasterPixelTest();
 }
 
-class LayerTreeHostOnDemandRasterPixelTestWithGpuRasterizationForced
-    : public LayerTreeHostOnDemandRasterPixelTest {
-  void InitializeSettings(LayerTreeSettings* settings) override {
-    LayerTreeHostOnDemandRasterPixelTest::InitializeSettings(settings);
-    settings->gpu_rasterization_forced = true;
-  }
-};
-
-TEST_F(LayerTreeHostOnDemandRasterPixelTestWithGpuRasterizationForced,
-       RasterPictureLayer) {
-  RunOnDemandRasterPixelTest();
-}
-
 }  // namespace
 }  // namespace cc