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

mojo/dart/embedder/vmservice.cc

 // 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.
 
 #include "mojo/dart/embedder/vmservice.h"
 
 #include "base/logging.h"
-#include "dart/runtime/include/dart_api.h"
 #include "mojo/dart/embedder/builtin.h"
 #include "mojo/dart/embedder/common.h"
 #include "mojo/dart/embedder/dart_controller.h"
+#include "mojo/public/third_party/dart/runtime/include/dart_api.h"
 
 namespace mojo {
 namespace dart {
 
 #define RETURN_ERROR_HANDLE(handle)                             \
   if (Dart_IsError(handle)) {                                   \
     return handle;                                              \
   }
 
 #define SHUTDOWN_ON_ERROR(handle)                               \
@@ skipping 311 matching lines @@
   Dart_Handle source = GetSource(url_string);
   if (Dart_IsError(source)) {
     return source;
   }
   return Dart_LoadSource(library, url, source, 0, 0);
 }
 
 
 }  // namespace dart
 }  // namespace mojo