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

mojo/public/dart/third_party/shelf/CHANGELOG.md

Index: mojo/public/dart/third_party/shelf/CHANGELOG.md
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+## 0.6.3
+
+* Messages returned by `Request.change()` and `Response.change()` are marked
+  read whenever the original message is read, and vice-versa. This means that
+  it's possible to read a message on which `change()` has been called and to
+  call `change()` on a message more than once, as long as `read()` is called on
+  only one of those messages.
+
+## 0.6.2+1
+
+* Support `http_parser` 1.0.0.
+
+## 0.6.2
+
+* Added a `body` named argument to `change` method on `Request` and `Response`.
+
+## 0.6.1+3
+
+* Updated minimum SDK to `1.9.0`.
+
+* Allow an empty `url` parameter to be passed in to `new Request()`. This fits
+  the stated semantics of the class, and should not have been forbidden.
+
+## 0.6.1+2
+
+* `logRequests` outputs a better message a request has a query string.
+
+## 0.6.1+1
+
+* Don't throw a bogus exception for `null` responses.
+
+## 0.6.1
+
+* `shelf_io` now takes a `"shelf.io.buffer_output"` `Response.context` parameter
+  that controls `HttpResponse.bufferOutput`.
+
+* Fixed spelling errors in README and code comments.
+
+## 0.6.0
+
+**Breaking change:** The semantics of `Request.scriptName` and
+[`Request.url`][url] have been overhauled, and the former has been renamed to
+[`Request.handlerPath`][handlerPath]. `handlerPath` is now the root-relative URL
+path to the current handler, while `url`'s path is the relative path from the
+current handler to the requested. The new semantics are easier to describe and
+to understand.
+
+[url]: http://www.dartdocs.org/documentation/shelf/latest/index.html#shelf/shelf.Request@id_url
+[handlerPath]: http://www.dartdocs.org/documentation/shelf/latest/index.html#shelf/shelf.Request@id_handlerPath
+
+Practically speaking, the main difference is that the `/` at the beginning of
+`url`'s path has been moved to the end of `handlerPath`. This makes `url`'s path
+easier to parse using the `path` package.
+
+[`Request.change`][change]'s handling of `handlerPath` and `url` has also
+changed. Instead of taking both parameters separately and requiring that the
+user manually maintain all the associated guarantees, it now takes a single
+`path` parameter. This parameter is the relative path from the current
+`handlerPath` to the next one, and sets both `handlerPath` and `url` on the new
+`Request` accordingly.
+
+[change]: http://www.dartdocs.org/documentation/shelf/latest/index.html#shelf/shelf.Request@id_change
+
+## 0.5.7
+
+* Updated `Request` to support the `body` model from `Response`.
+
+## 0.5.6
+
+* Fixed `createMiddleware` to only catch errors if `errorHandler` is provided.
+
+* Updated `handleRequest` in `shelf_io` to more gracefully handle errors when
+  parsing `HttpRequest`.
+
+## 0.5.5+1
+
+* Updated `Request.change` to include the original `onHijack` callback if one
+  exists.
+
+## 0.5.5
+
+* Added default body text for `Response.forbidden` and `Response.notFound` if
+  null is provided.
+
+* Clarified documentation on a number of `Response` constructors.
+
+* Updated `README` links to point to latest docs on `www.dartdocs.org`.
+
+## 0.5.4+3
+
+* Widen the version constraint on the `collection` package.
+
+## 0.5.4+2
+
+* Updated headers map to use a more efficient case-insensitive backing store.
+
+## 0.5.4+1
+
+* Widen the version constraint for `stack_trace`.
+
+## 0.5.4
+
+* The `shelf_io` adapter now sends the `Date` HTTP header by default.
+
+* Fixed logic for setting Server header in `shelf_io`.
+
+## 0.5.3
+
+* Add new named parameters to `Request.change`: `scriptName` and `url`.
+
+## 0.5.2
+
+* Add a `Cascade` helper that runs handlers in sequence until one returns a
+  response that's neither a 404 nor a 405.
+
+* Add a `Request.change` method that copies a request with new header values.
+
+* Add a `Request.hijack` method that allows handlers to gain access to the
+  underlying HTTP socket.
+
+## 0.5.1+1
+
+* Capture all asynchronous errors thrown by handlers if they would otherwise be
+  top-leveled.
+
+* Add more detail to the README about handlers, middleware, and the rules for
+  implementing an adapter.
+
+## 0.5.1
+
+* Add a `context` map to `Request` and `Response` for passing data among
+  handlers and middleware.
+
+## 0.5.0+1
+
+* Allow `scheduled_test` development dependency up to v0.12.0
+
+## 0.5.0
+
+* Renamed `Stack` to `Pipeline`.
+
+## 0.4.0
+
+* Access to headers for `Request` and `Response` is now case-insensitive.
+
+* The constructor for `Request` has been simplified.
+
+* `Request` now exposes `url` which replaces `pathInfo`, `queryString`, and
+  `pathSegments`.
+
+## 0.3.0+9
+
+* Removed old testing infrastructure.
+
+* Updated documentation address.
+
+## 0.3.0+8
+
+* Added a dependency on the `http_parser` package.
+
+## 0.3.0+7
+
+* Removed unused dependency on the `mime` package.
+
+## 0.3.0+6
+
+* Added a dependency on the `string_scanner` package.
+
+## 0.3.0+5
+
+* Updated `pubspec` details for move to Dart SDK.
+
+## 0.3.0 2014-03-25
+
+* `Response`
+    * **NEW!** `int get contentLength`
+    * **NEW!** `DateTime get expires`
+    * **NEW!** `DateTime get lastModified`
+* `Request`
+    * **BREAKING** `contentLength` is now read from `headers`. The constructor
+      argument has been removed.
+    * **NEW!** supports an optional `Stream<List<int>> body` constructor argument.
+    * **NEW!** `Stream<List<int>> read()` and
+      `Future<String> readAsString([Encoding encoding])`
+    * **NEW!** `DateTime get ifModifiedSince`
+    * **NEW!** `String get mimeType`
+    * **NEW!** `Encoding get encoding`
+
+## 0.2.0 2014-03-06
+
+* **BREAKING** Removed `Shelf` prefix from all classes.
+* **BREAKING** `Response` has drastically different constructors.
+* *NEW!* `Response` now accepts a body of either `String` or
+  `Stream<List<int>>`.
+* *NEW!* `Response` now exposes `encoding` and `mimeType`.
+
+## 0.1.0 2014-03-02
+
+* First reviewed release