Merge the Sky Engine changes from the SkyDart branch

sky/viewer/BUILD.gn

Index: sky/viewer/BUILD.gn
diff --git a/sky/viewer/BUILD.gn b/sky/viewer/BUILD.gn
index 054aa09d3f58169ea6d0de218c2f93a5182fc6f8..9ebde2019d661308b7dca41ebaeead93b5414d16 100644
--- a/sky/viewer/BUILD.gn
+++ b/sky/viewer/BUILD.gn
@@ -27,8 +27,6 @@ mojo_native_application("viewer") {
     "platform/weburlloader_impl.h",
     "runtime_flags.cc",
     "runtime_flags.h",
-    "script/script_runner.cc",
-    "script/script_runner.h",
     "services/inspector_impl.cc",
     "services/inspector_impl.h",
     "viewer.cc",
@@ -38,8 +36,6 @@ mojo_native_application("viewer") {
 
   deps = [
     ":bindings",
-    ":sky_modules",
-    "//gin",
     "//mojo/application",
     "//mojo/common",
     "//mojo/common:tracing_impl",
@@ -63,7 +59,7 @@ mojo_native_application("viewer") {
     "//skia",
     "//sky/compositor",
     "//sky/engine",
-    "//sky/engine/v8_inspector",
+    "//sky/engine/tonic",
     "//sky/services/inspector:bindings",
     "//sky/services/testing:bindings",
     "//third_party/icu",
@@ -77,14 +73,3 @@ mojom("bindings") {
     "services/inspector.mojom",
   ]
 }
-
-copy("sky_modules") {
-  sources = [
-    "script/core.sky",
-    "script/support.sky",
-    "script/threading.sky",
-  ]
-  outputs = [
-    "$root_gen_dir/mojo/public/sky/{{source_file_part}}",
-  ]
-}