Update from https://crrev.com/304121

cc/BUILD.gn

Index: cc/BUILD.gn
diff --git a/cc/BUILD.gn b/cc/BUILD.gn
index f7538951500c17cd7b7ac3e2abc684782805a10c..3b3ed6d4dce877f004889970777cba5d96805d26 100644
--- a/cc/BUILD.gn
+++ b/cc/BUILD.gn
@@ -64,6 +64,7 @@ component("cc") {
     "base/switches.h",
     "base/tiling_data.cc",
     "base/tiling_data.h",
+    "base/time_util.h",
     "base/unique_notifier.cc",
     "base/unique_notifier.h",
     "base/util.h",
@@ -112,11 +113,14 @@ component("cc") {
     "debug/unittest_only_benchmark.h",
     "debug/unittest_only_benchmark_impl.cc",
     "debug/unittest_only_benchmark_impl.h",
+    "input/input_handler.cc",
     "input/input_handler.h",
     "input/page_scale_animation.cc",
     "input/page_scale_animation.h",
     "input/layer_selection_bound.cc",
     "input/layer_selection_bound.h",
+    "input/scroll_elasticity_helper.cc",
+    "input/scroll_elasticity_helper.h",
     "input/selection_bound_type.h",
     "input/top_controls_manager.cc",
     "input/top_controls_manager.h",
@@ -346,8 +350,6 @@ component("cc") {
     "resources/picture_layer_tiling_set.h",
     "resources/picture_pile.cc",
     "resources/picture_pile.h",
-    "resources/picture_pile_base.cc",
-    "resources/picture_pile_base.h",
     "resources/picture_pile_impl.cc",
     "resources/picture_pile_impl.h",
     "resources/pixel_buffer_raster_worker_pool.cc",
@@ -532,6 +534,7 @@ source_set("test_support") {
     "test/fake_picture_layer_impl.h",
     "test/fake_picture_layer_tiling_client.cc",
     "test/fake_picture_layer_tiling_client.h",
+    "test/fake_picture_pile.h",
     "test/fake_picture_pile_impl.cc",
     "test/fake_picture_pile_impl.h",
     "test/fake_proxy.cc",