Add viz-host HitTestQuery.

components/viz/frame_sinks/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.
 
 group("frame_sinks") {
   if (is_component_build) {
     public_deps = [
       "//components/viz",
     ]
   } else {
@@ skipping 17 matching lines @@
     "mojo_frame_sink_manager.cc",
     "mojo_frame_sink_manager.h",
   ]
 
   public_deps = [
     "//base",
     "//cc",
     "//cc/ipc:interfaces",
     "//cc/surfaces",
     "//components/viz/display_compositor:display_compositor_sources",
+    "//components/viz/hit_test",

[rjkroege, 2017/06/12 17:17:23]

must establish layering conventions I think.

[riajiang, 2017/06/13 18:42:29]

This is only to run the HitTestQuery code, I think once it's actually being used
by other code we don't need this anymore? 

     "//gpu/ipc:command_buffer",
   ]
 
   configs += [ "//components/viz:viz_implementation" ]
 
   if (is_win) {
     cflags = [ "/wd4267" ]  # conversion from 'size_t' to 'int' on x64 (crbug.com/633312)
   }
 }