Commit observatory's pubspec.lock to the repo

It is no longer generated, since we have checked in .packages rather
than generating it.  Pub build requires it to be there.

BUG=
R=johnniwinther@google.com

Review URL: https://codereview.chromium.org/2371933004 .
diff --git a/runtime/observatory/.gitignore b/runtime/observatory/.gitignore
index 06adbfb..c73eaff 100644
--- a/runtime/observatory/.gitignore
+++ b/runtime/observatory/.gitignore
@@ -3,4 +3,3 @@
 build
 .pub
 .idea
-.packages
\ No newline at end of file
diff --git a/runtime/observatory/pubspec.lock b/runtime/observatory/pubspec.lock
new file mode 100644
index 0000000..1f8a109
--- /dev/null
+++ b/runtime/observatory/pubspec.lock
@@ -0,0 +1,251 @@
+# Generated by pub
+# See http://pub.dartlang.org/doc/glossary.html#lockfile
+packages:
+  analyzer:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/analyzer"
+      relative: true
+    source: path
+    version: "0.26.1+14"
+  args:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/args"
+      relative: true
+    source: path
+    version: "0.13.2"
+  async:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/async"
+      relative: true
+    source: path
+    version: "1.4.0"
+  barback:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/barback"
+      relative: true
+    source: path
+    version: "0.15.2+7"
+  browser:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/browser"
+      relative: true
+    source: path
+    version: "0.10.0+2"
+  charcode:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/charcode"
+      relative: true
+    source: path
+    version: "1.1.0"
+  charted:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/charted"
+      relative: true
+    source: path
+    version: "0.4.0+1"
+  cli_util:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/cli_util"
+      relative: true
+    source: path
+    version: "0.0.1+2"
+  code_transformers:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/code_transformers"
+      relative: true
+    source: path
+    version: "0.2.11"
+  collection:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/collection"
+      relative: true
+    source: path
+    version: "1.2.0"
+  csslib:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/csslib"
+      relative: true
+    source: path
+    version: "0.12.2"
+  dart_style:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/dart_style"
+      relative: true
+    source: path
+    version: "0.2.1"
+  dart_to_js_script_rewriter:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/dart_to_js_script_rewriter"
+      relative: true
+    source: path
+    version: "1.0.1"
+  glob:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/glob"
+      relative: true
+    source: path
+    version: "1.0.5"
+  html:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/html"
+      relative: true
+    source: path
+    version: "0.12.2"
+  initialize:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/initialize"
+      relative: true
+    source: path
+    version: "0.6.1+2"
+  intl:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/intl"
+      relative: true
+    source: path
+    version: "0.12.4+3"
+  logging:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/logging"
+      relative: true
+    source: path
+    version: "0.11.2"
+  matcher:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/matcher"
+      relative: true
+    source: path
+    version: "0.12.0+1"
+  observe:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/observe"
+      relative: true
+    source: path
+    version: "0.13.1+3"
+  package_config:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/package_config"
+      relative: true
+    source: path
+    version: "0.1.3"
+  path:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/path"
+      relative: true
+    source: path
+    version: "1.3.9"
+  petitparser:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/petitparser"
+      relative: true
+    source: path
+    version: "1.5.0"
+  plugin:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/plugin"
+      relative: true
+    source: path
+    version: "0.1.0"
+  pool:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/pool"
+      relative: true
+    source: path
+    version: "1.2.1"
+  quiver:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/quiver"
+      relative: true
+    source: path
+    version: "0.21.4"
+  quiver_iterables:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/quiver_iterables"
+      relative: true
+    source: path
+    version: "1.0.0"
+  smoke:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/smoke"
+      relative: true
+    source: path
+    version: "0.3.6"
+  source_maps:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/source_maps"
+      relative: true
+    source: path
+    version: "0.10.1"
+  source_span:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/source_span"
+      relative: true
+    source: path
+    version: "1.2.1"
+  stack_trace:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/stack_trace"
+      relative: true
+    source: path
+    version: "1.5.0"
+  string_scanner:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/string_scanner"
+      relative: true
+    source: path
+    version: "0.1.4"
+  template_binding:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/template_binding"
+      relative: true
+    source: path
+    version: "0.14.0+2"
+  unittest:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/unittest"
+      relative: true
+    source: path
+    version: "0.11.6+1"
+  usage:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/usage"
+      relative: true
+    source: path
+    version: "1.0.1"
+  utf:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/utf"
+      relative: true
+    source: path
+    version: "0.9.0+2"
+  watcher:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/watcher"
+      relative: true
+    source: path
+    version: "0.9.7"
+  web_components:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/web_components"
+      relative: true
+    source: path
+    version: "0.12.3"
+  when:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/when"
+      relative: true
+    source: path
+    version: "0.2.0"
+  which:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/which"
+      relative: true
+    source: path
+    version: "0.1.3"
+  yaml:
+    description:
+      path: "../../third_party/observatory_pub_packages/packages/yaml"
+      relative: true
+    source: path
+    version: "2.1.7"
+sdks:
+  dart: any