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

mojo/dart/embedder/io/internet_address.h

 // 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.
 
 #ifndef MOJO_DART_EMBEDDER_IO_INTERNET_ADDRESS_H_
 #define MOJO_DART_EMBEDDER_IO_INTERNET_ADDRESS_H_
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "base/logging.h"
 #include "base/macros.h"
-#include "dart/runtime/include/dart_api.h"
+#include "mojo/public/third_party/dart/runtime/include/dart_api.h"
 
 namespace mojo {
 namespace dart {
 
 #define IPV4_RAW_ADDR_LENGTH 4
 #define IPV6_RAW_ADDR_LENGTH 16
 
 struct RawAddr {
   uint8_t bytes[IPV6_RAW_ADDR_LENGTH];
 };
@@ skipping 14 matching lines @@
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(InternetAddress);
 };
 
 }  // namespace dart
 }  // namespace mojo
 
 #endif  // MOJO_DART_EMBEDDER_IO_INTERNET_ADDRESS_H_