Remove support for "mojo:" libraries

sky/engine/core/script/dart_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/config.h"
 #include "sky/engine/core/script/dart_loader.h"
 
 #include "base/callback.h"
 #include "base/trace_event/trace_event.h"
 #include "mojo/common/data_pipe_drainer.h"
 #include "sky/engine/core/script/dart_dependency_catcher.h"
 #include "sky/engine/core/script/dom_dart_state.h"
 #include "sky/engine/platform/fetcher/MojoFetcher.h"
 #include "sky/engine/platform/weborigin/KURL.h"
 #include "sky/engine/tonic/dart_api_scope.h"
 #include "sky/engine/tonic/dart_converter.h"
 #include "sky/engine/tonic/dart_error.h"
 #include "sky/engine/tonic/dart_isolate_scope.h"
 #include "sky/engine/wtf/MainThread.h"
 
 using mojo::common::DataPipeDrainer;
 
 namespace blink {
 namespace {
 
 Dart_Handle CanonicalizeURL(DartState* state,
                             Dart_Handle library,
                             Dart_Handle url) {
   String string = StringFromDart(url);
-  if (string.startsWith("dart:") || string.startsWith("mojo:"))
+  if (string.startsWith("dart:"))
     return url;
   // TODO(dart): Figure out how 'package:' should work in sky.
   if (string.startsWith("package:")) {
     string.replace("package:", "/packages/");
   }
   String library_url_string = StringFromDart(Dart_LibraryUrl(library));
   KURL library_url = KURL(ParsedURLString, library_url_string);
   KURL resolved_url = KURL(library_url, string);
   return StringToDart(state, resolved_url.string());
 }
@@ skipping 163 matching lines @@
 
 Dart_Handle DartLoader::HandleLibraryTag(Dart_LibraryTag tag,
                                          Dart_Handle library,
                                          Dart_Handle url) {
   DCHECK(Dart_IsLibrary(library));
   DCHECK(Dart_IsString(url));
   if (tag == Dart_kCanonicalizeUrl)
     return CanonicalizeURL(DartState::Current(), library, url);
   if (tag == Dart_kImportTag) {
     CHECK(WTF::isMainThread());
-
-    String string = StringFromDart(url);
-    if (string.startsWith("mojo:")) {
-      Dart_Handle mojo_library = Dart_LookupLibrary(url);
-      LogIfError(mojo_library);
-      return mojo_library;
-    }
-
     return DOMDartState::Current()->loader().Import(library, url);
   }
   if (tag == Dart_kSourceTag) {
     CHECK(WTF::isMainThread());
     return DOMDartState::Current()->loader().Source(library, url);
   }
   DCHECK(false);
   return Dart_NewApiError("Unknown library tag.");
 }
 
@@ skipping 76 matching lines @@
 
   WatcherSignaler watcher_signaler(*this, job);
 
   LOG(ERROR) << "Library Load failed: " << job->url().string().utf8().data();
   // TODO(eseidel): Call Dart_LibraryHandleError in the SourceJob case?
 
   jobs_.remove(job);
 }
 
 }  // namespace blink