Use sky_shell instead of mojo_shell for testing.

sky/engine/tonic/dart_library_loader.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 "sky/engine/tonic/dart_library_loader.h"
 
 #include "base/callback.h"
 #include "base/trace_event/trace_event.h"
 #include "mojo/common/data_pipe_drainer.h"
 #include "sky/engine/tonic/dart_api_scope.h"
@@ skipping 224 matching lines @@
   return library_provider_->CanonicalizeURL(library, url);
 }
 
 void DartLibraryLoader::DidCompleteImportJob(ImportJob* job,
                                              const Vector<uint8_t>& buffer) {
   DartIsolateScope scope(dart_state_->isolate());
   DartApiScope api_scope;
 
   WatcherSignaler watcher_signaler(*this, job);
 
-  LogIfError(Dart_LoadLibrary(
+  Dart_Handle result = Dart_LoadLibrary(
       StringToDart(dart_state_, job->name()),
-      Dart_NewStringFromUTF8(buffer.data(), buffer.size()), 0, 0));
+      Dart_NewStringFromUTF8(buffer.data(), buffer.size()), 0, 0);
+  if (Dart_IsError(result)) {
+    LOG(ERROR) << "Error Loading " << job->name().utf8().data() << " "
+        << Dart_GetError(result);
+  }
 
   pending_libraries_.remove(job->name());
   jobs_.remove(job);
 }
 
 void DartLibraryLoader::DidCompleteSourceJob(SourceJob* job,
                                              const Vector<uint8_t>& buffer) {
   DartIsolateScope scope(dart_state_->isolate());
   DartApiScope api_scope;
 
   WatcherSignaler watcher_signaler(*this, job);
 
-  LogIfError(Dart_LoadSource(
+  Dart_Handle result = Dart_LoadSource(
       Dart_HandleFromPersistent(job->library()),
       StringToDart(dart_state_, job->name()),
-      Dart_NewStringFromUTF8(buffer.data(), buffer.size()), 0, 0));
+      Dart_NewStringFromUTF8(buffer.data(), buffer.size()), 0, 0);
+
+  if (Dart_IsError(result)) {
+    LOG(ERROR) << "Error Loading " << job->name().utf8().data() << " "
+        << Dart_GetError(result);
+  }
 
   jobs_.remove(job);
 }
 
 void DartLibraryLoader::DidFailJob(Job* job) {
   DartIsolateScope scope(dart_state_->isolate());
   DartApiScope api_scope;
 
   WatcherSignaler watcher_signaler(*this, job);
 
   LOG(ERROR) << "Library Load failed: " << job->name().utf8().data();
   // TODO(eseidel): Call Dart_LibraryHandleError in the SourceJob case?
 
   jobs_.remove(job);
 }
 
 }  // namespace blink