Stop running pub get at gclient sync time and fix build bugs

mojo/public/third_party/dart-pkg/BUILD.gn

Index: mojo/public/third_party/dart-pkg/BUILD.gn
diff --git a/mojo/public/third_party/dart-pkg/BUILD.gn b/mojo/public/third_party/dart-pkg/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..a2994537bf7397918c641f73a744fb5cf1b6a307
--- /dev/null
+++ b/mojo/public/third_party/dart-pkg/BUILD.gn
@@ -0,0 +1,175 @@
+# 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("../../dart/rules.gni")
+
+group("dart-pkg") {
+  deps = [
+    ":analyzer",
+    ":args",
+    ":async",
+    ":barback",
+    ":charcode",
+    ":collection",
+    ":crypto",
+    ":csslib",
+    ":glob",
+    ":html",
+    ":http_multi_server",
+    ":http_parser",
+    ":logging",
+    ":matcher",
+    ":mime",
+    ":package_config",
+    ":path",
+    ":plugin",
+    ":pool",
+    ":pub_semver",
+    ":shelf",
+    ":shelf_static",
+    ":shelf_web_socket",
+    ":source_maps",
+    ":source_map_stack_trace",
+    ":source_span",
+    ":stack_trace",
+    ":string_scanner",
+    ":test",
+    ":unittest",
+    ":utf",
+    ":watcher",
+    ":yaml",
+  ]
+}
+
+dart_pkg("analyzer") {
+  pkg_dir = "../dart/pkg/analyzer"
+}
+
+dart_pkg("args") {
+  pkg_dir = "args"
+}
+
+dart_pkg("async") {
+  pkg_dir = "async"
+}
+
+dart_pkg("barback") {
+  pkg_dir = "barback"
+}
+
+dart_pkg("charcode") {
+  pkg_dir = "charcode"
+}
+
+dart_pkg("collection") {
+  pkg_dir = "collection"
+}
+
+dart_pkg("crypto") {
+  pkg_dir = "crypto"
+}
+
+dart_pkg("csslib") {
+  pkg_dir = "csslib"
+}
+
+dart_pkg("glob") {
+  pkg_dir = "glob"
+}
+
+dart_pkg("html") {
+  pkg_dir = "html"
+}
+
+dart_pkg("http_multi_server") {
+  pkg_dir = "http_multi_server"
+}
+
+dart_pkg("http_parser") {
+  pkg_dir = "http_parser"
+}
+
+dart_pkg("logging") {
+  pkg_dir = "logging"
+}
+
+dart_pkg("matcher") {
+  pkg_dir = "matcher"
+}
+
+dart_pkg("mime") {
+  pkg_dir = "mime"
+}
+
+dart_pkg("package_config") {
+  pkg_dir = "package_config"
+}
+
+dart_pkg("path") {
+  pkg_dir = "path"
+}
+
+dart_pkg("plugin") {
+  pkg_dir = "plugin"
+}
+
+dart_pkg("pool") {
+  pkg_dir = "pool"
+}
+
+dart_pkg("pub_semver") {
+  pkg_dir = "pub_semver"
+}
+
+dart_pkg("shelf") {
+  pkg_dir = "shelf"
+}
+
+dart_pkg("shelf_static") {
+  pkg_dir = "shelf_static"
+}
+
+dart_pkg("shelf_web_socket") {
+  pkg_dir = "shelf_web_socket"
+}
+
+dart_pkg("source_maps") {
+  pkg_dir = "source_maps"
+}
+
+dart_pkg("source_map_stack_trace") {
+  pkg_dir = "source_map_stack_trace"
+}
+
+dart_pkg("source_span") {
+  pkg_dir = "source_span"
+}
+
+dart_pkg("stack_trace") {
+  pkg_dir = "stack_trace"
+}
+
+dart_pkg("string_scanner") {
+  pkg_dir = "string_scanner"
+}
+
+dart_pkg("test") {
+  pkg_dir = "test"
+}
+
+dart_pkg("unittest") {
+  pkg_dir = "unittest"
+}
+
+dart_pkg("utf") {
+  pkg_dir = "utf"
+}
+
+dart_pkg("watcher") {
+  pkg_dir = "watcher"
+}
+
+dart_pkg("yaml") {
+  pkg_dir = "yaml"
+}