[import] Cleanup: get rid of ad-hoc state machine.

Source/core/html/HTMLImportStateResolver.h

Index: Source/core/html/HTMLImportStateResolver.h
diff --git a/Source/platform/fonts/FontCacheClient.h b/Source/core/html/HTMLImportStateResolver.h
similarity index 75%
copy from Source/platform/fonts/FontCacheClient.h
copy to Source/core/html/HTMLImportStateResolver.h
index 4e43b8c72cf93e9d6f51f68098d434a9d97444ce..b0141e8316f9be84d51449bc7a5debbea4ef99b1 100644
--- a/Source/platform/fonts/FontCacheClient.h
+++ b/Source/core/html/HTMLImportStateResolver.h
@@ -28,21 +28,32 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef FontCacheClient_h
-#define FontCacheClient_h
+#ifndef HTMLImportStateResolver_h
+#define HTMLImportStateResolver_h
 
-#include "platform/PlatformExport.h"
-#include "wtf/RefCounted.h"
+#include "core/html/HTMLImport.h"
 
 namespace WebCore {
 
-class PLATFORM_EXPORT FontCacheClient : public RefCounted<FontCacheClient> {
+class HTMLImportStateResolver {
 public:
-    virtual ~FontCacheClient() { }
+    explicit HTMLImportStateResolver(HTMLImport* import)
+        : m_import(import)
+    { }
 
-    virtual void fontCacheInvalidated() = 0;
+    HTMLImport::State resolve() const;
+
+private:
+    static bool isBlockingFollowers(HTMLImport*);
+
+    bool isBlockedFromCreatingDocument() const;
+    bool isBlockedFromRunningScript() const;
+    bool isActive() const;
+
+    HTMLImport* m_import;
 };
 
-} // namespace WebCore
+}
+
+#endif // HTMLImportStateResolver_h
 
-#endif // FontCacheClient_h