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

mojo/dart/embedder/mojo_io_natives.cc

 // Copyright 2014 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.
 
 #include <stdio.h>
 #include <string.h>
 
 #include "base/logging.h"
 #include "base/macros.h"
-#include "dart/runtime/include/dart_api.h"
 #include "mojo/dart/embedder/builtin.h"
 #include "mojo/dart/embedder/common.h"
 #include "mojo/dart/embedder/io/internet_address.h"
 #include "mojo/dart/embedder/mojo_dart_state.h"
-
+#include "mojo/public/third_party/dart/runtime/include/dart_api.h"
 
 namespace mojo {
 namespace dart {
 
 #define MOJO_IO_NATIVE_LIST(V)                                                 \
   V(InternetAddress_Parse, 1)                                                  \
   V(InternetAddress_Reverse, 1)                                                \
   V(Platform_NumberOfProcessors, 0)                                            \
   V(Platform_OperatingSystem, 0)                                               \
   V(Platform_PathSeparator, 0)                                                 \
@@ skipping 149 matching lines @@
 void Process_Pid(Dart_NativeArguments arguments) {
   // TODO(rudominer) After sandboxing is implemented getpid() will not return
   // the real pid. Most likely it will return the value 1. We need to decide
   // what behavior we want Dart's pid getter to have when sandboxed.
   pid_t pid = getpid();
   Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(pid));
 }
 
 }  // namespace dart
 }  // namespace mojo