cc/blimp: Add synchronization for scroll/scale state.

blimp/engine/BUILD.gn

 # Copyright 2015 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("//build/config/chrome_build.gni")
 import("//build/config/features.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/ui.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//tools/grit/repack.gni")
@@ skipping 559 matching lines @@
     "//testing/gmock",
     "//testing/gtest",
   ]
 }
 
 source_set("renderer_unit_tests") {
   testonly = true
 
   sources = [
     "renderer/blimp_engine_picture_cache_unittest.cc",
+    "renderer/blimp_remote_compositor_bridge_unittest.cc",
     "renderer/blob_channel_sender_proxy_unittest.cc",
     "renderer/frame_scheduler_unittest.cc",
   ]
 
   deps = [
     ":renderer",
     "//base",
     "//blimp/common",
     "//blimp/common:test_support",
     "//blimp/engine:blob_channel_mojo_cpp_sources",
@@ skipping 211 matching lines @@
     "//content/test:test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 
   data = [
     "//blimp/test/data/",
     "$root_out_dir/blimp_engine.pak",
   ]
 }