Use HitTestAggregator in GpuRootCompositorFrameSink

components/viz/common/BUILD.gn

 # Copyright 2017 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//components/viz/viz.gni")
 import("//testing/test.gni")
 
 viz_source_set("common") {
+  defines = [ "VIZ_COMMON_IMPLEMENTATION" ]
+
   sources = [
+    "export.h",
     "gl_helper.cc",
     "gl_helper.h",
     "gl_helper_readback_support.cc",
     "gl_helper_readback_support.h",
     "gl_helper_scaling.cc",
     "gl_helper_scaling.h",
     "hit_test/aggregated_hit_test_region.h",
     "quads/resource_format.h",
     "quads/shared_bitmap.cc",
     "quads/shared_bitmap.h",
@@ skipping 17 matching lines @@
     "surfaces/sequence_surface_reference_factory.cc",
     "surfaces/sequence_surface_reference_factory.h",
     "surfaces/surface_id.cc",
     "surfaces/surface_id.h",
     "surfaces/surface_info.h",
     "surfaces/surface_reference_factory.h",
     "surfaces/surface_reference_owner.h",
     "surfaces/surface_sequence.h",
     "surfaces/surface_sequence_generator.cc",
     "surfaces/surface_sequence_generator.h",
+    "switches.cc",
+    "switches.h",
   ]
 
   deps = [
     "//base",
     "//gpu/command_buffer/client:gles2_interface",
     "//mojo/public/cpp/bindings",
     "//skia",
     "//ui/gfx:color_space",
     "//ui/gfx:geometry_skia",
     "//ui/gfx/geometry",
@@ skipping 50 matching lines @@
     "//gpu/ipc:gl_in_process_context",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/gfx",
   ]
 
   data_deps = [
     "//third_party/mesa:osmesa",
   ]
 }