Make Icon work using space-aged base-url technology.

sky/engine/core/loader/CanvasImageLoader.cpp

Index: sky/engine/core/loader/CanvasImageLoader.cpp
diff --git a/sky/engine/core/loader/CanvasImageLoader.cpp b/sky/engine/core/loader/CanvasImageLoader.cpp
index fd325826a9266204ee5a4e3740112fd31ff5c376..a7175dc50799f690169d7596bb9d736b2dfcbf77 100644
--- a/sky/engine/core/loader/CanvasImageLoader.cpp
+++ b/sky/engine/core/loader/CanvasImageLoader.cpp
@@ -5,15 +5,15 @@
 #include "sky/engine/config.h"
 #include "sky/engine/core/loader/CanvasImageLoader.h"
 #include "sky/engine/core/painting/CanvasImage.h"
-#include "sky/engine/platform/image-decoders/ImageDecoder.h"
+#include "sky/engine/core/script/dom_dart_state.h"
 #include "sky/engine/platform/SharedBuffer.h"
+#include "sky/engine/platform/image-decoders/ImageDecoder.h"
 
 namespace blink {
 
 CanvasImageLoader::CanvasImageLoader(const String& src, PassOwnPtr<ImageLoaderCallback> callback)
   : callback_(callback) {
-  // TODO(jackson): Figure out how to determine the proper base URL here
-  KURL url = KURL(KURL(), src);
+  KURL url = KURL(DOMDartState::Current()->url(), src);
   fetcher_ = adoptPtr(new MojoFetcher(this, url));
 }