Merge the Sky Engine changes from the SkyDart branch

sky/engine/core/BUILD.gn

Index: sky/engine/core/BUILD.gn
diff --git a/sky/engine/core/BUILD.gn b/sky/engine/core/BUILD.gn
index 32836653529343cc63613b488b045bbc1bbab935..4d30fde625929d2c8c1b86c9dc3c271bf2d5db50 100644
--- a/sky/engine/core/BUILD.gn
+++ b/sky/engine/core/BUILD.gn
@@ -2,7 +2,6 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import("//sky/engine/bindings/scripts/scripts.gni")
 import("//sky/engine/build/scripts/scripts.gni")
 import("//sky/engine/core/core.gni")
 
@@ -13,7 +12,6 @@ rel_sky_core_gen_dir = rebase_path(sky_core_output_dir, root_build_dir)
 source_set("libraries") {
   public_deps = [
     "//base",
-    "//gin",
     "//gpu/command_buffer/client:gles2_c_lib",
     "//mojo/application",
     "//mojo/common",
@@ -36,7 +34,6 @@ source_set("libraries") {
     "//third_party/qcms",
     "//third_party/zlib",
     "//url",
-    "//v8",
   ]
 }
 
@@ -44,7 +41,6 @@ source_set("prerequisites") {
   deps = [
     ":libraries",
     ":make_core_generated",
-    "//sky/engine/bindings/core/v8:bindings_core_v8_generated",
     "//sky/engine/platform",
   ]
 
@@ -65,6 +61,8 @@ static_library("core") {
     ":libraries",
     ":prerequisites",
     "//sky/engine/platform",
+    "//sky/engine/bindings2",
+    "//dart/runtime/bin:libdart_withcore",
   ]
 
   sources = sky_core_files
@@ -72,7 +70,10 @@ static_library("core") {
   forward_dependent_configs_from = [ ":libraries" ]
 
   # core and core_generated are really the same thing.
-  allow_circular_includes_from = [ ":core_generated" ]
+  allow_circular_includes_from = [
+    ":core_generated",
+    "//sky/engine/bindings2",
+  ]
 }
 
 source_set("testing") {
@@ -95,13 +96,7 @@ source_set("testing") {
 }
 
 source_set("core_generated") {
-  sources = bindings_core_v8_files
-
-  # These files include all the .cpp files generated from the .idl files
-  # in webcore_files.
-  sources += bindings_core_generated_aggregate_files
-
-  sources += [
+  sources = [
     # Generated from CSSTokenizer-in.cpp
     "$sky_core_output_dir/CSSTokenizer.cpp",
 
@@ -117,22 +112,60 @@ source_set("core_generated") {
   deps = [
     ":make_core_generated",
     ":prerequisites",
-    "//gin",
     "//skia",
-    "//sky/engine/bindings/core/v8:bindings_core_v8_generated",
     "//sky/engine/platform",
     "//sky/engine/wtf",
     "//third_party/iccjpeg",
     "//third_party/libpng",
     "//third_party/qcms",
     "//url",
-    "//v8",
   ]
 
   include_dirs = [ "$root_build_dir" ]
 }
 
-# core_bindings_generated ------------------------------------------------------
+# core_event_interfaces --------------------------------------------------------
+
+# Calls generate_event_interfaces
+#
+# Parameters:
+#   sources = A list of IDL files to process.
+#   output_file = The .in file to write, relative to the sky_gen_dir.
+#   suffix = (Optional) String to be passed to script via --suffix
+template("generate_event_interfaces") {
+  action(target_name) {
+    # Write the file list to a unique temp file to avoid blowing out the
+    # command line length limit.
+    idl_files_list = "$target_gen_dir/${target_name}_file_list.tmp"
+    write_file(idl_files_list, rebase_path(invoker.sources, root_build_dir))
+
+    inputs = [
+               "//sky/engine/bindings2/scripts/utilities.py",
+               idl_files_list,
+             ] + invoker.sources
+
+    output_file = "$root_gen_dir/sky/" + invoker.output_file
+    outputs = [
+      output_file,
+    ]
+
+    script = "//sky/engine/bindings2/scripts/generate_event_interfaces.py"
+    args = [
+      "--event-idl-files-list",
+      rebase_path(idl_files_list, root_build_dir),
+      "--event-interfaces-file",
+      rebase_path(output_file, root_build_dir),
+      "--write-file-only-if-changed=1",  # Always true for Ninja.
+    ]
+
+    if (defined(invoker.suffix)) {
+      args += [
+        "--suffix",
+        invoker.suffix,
+      ]
+    }
+  }
+}
 
 generate_event_interfaces("core_event_interfaces") {
   sources = core_event_idl_files
@@ -300,12 +333,9 @@ process_in_files("make_core_generated_html_element_factory") {
     "$sky_core_output_dir/HTMLElementFactory.h",
     "$sky_core_output_dir/HTMLNames.cpp",
     "$sky_core_output_dir/HTMLNames.h",
-    "$sky_core_output_dir/V8HTMLElementWrapperFactory.cpp",
-    "$sky_core_output_dir/V8HTMLElementWrapperFactory.h",
   ]
   deps = [
     ":libraries",
-    "//sky/engine/bindings/core/v8:bindings_core_v8_generated",
   ]
 }