Componentization: make core/dom visible for blink_web and blink_tests.

Source/core/dom/PendingScript.h

Index: Source/core/dom/PendingScript.h
diff --git a/Source/core/dom/PendingScript.h b/Source/core/dom/PendingScript.h
index 1dbc6ebceaf92678593e82eee16365b25fa8ac18..eed8030b867105aa72ea8350647ff630b5939a1b 100644
--- a/Source/core/dom/PendingScript.h
+++ b/Source/core/dom/PendingScript.h
@@ -26,6 +26,7 @@
 #ifndef PendingScript_h
 #define PendingScript_h
 
+#include "core/CoreExport.h"
 #include "core/fetch/ResourceOwner.h"
 #include "core/fetch/ScriptResource.h"
 #include "platform/heap/Handle.h"
@@ -44,7 +45,7 @@ class ScriptStreamer;
 // A ResourcePtr alone does not prevent the underlying Resource
 // from purging its data buffer. This class holds a dummy client open for its
 // lifetime in order to guarantee that the data buffer will not be purged.
-class PendingScript final : public ResourceOwner<ScriptResource> {
+class CORE_EXPORT PendingScript final : public ResourceOwner<ScriptResource> {
     ALLOW_ONLY_INLINE_ALLOCATION();
 public:
     enum Type {