Process decoded bytes when in stopped (but not detached) state

Source/core/dom/DecodedDataDocumentParser.cpp

Index: Source/core/dom/DecodedDataDocumentParser.cpp
diff --git a/Source/core/dom/DecodedDataDocumentParser.cpp b/Source/core/dom/DecodedDataDocumentParser.cpp
index 7ac890e48e1c4993dd7b01576d1c927909a315b8..c7345802679b21dac20c0f7e65112e52d94d6bf5 100644
--- a/Source/core/dom/DecodedDataDocumentParser.cpp
+++ b/Source/core/dom/DecodedDataDocumentParser.cpp
@@ -41,7 +41,10 @@ size_t DecodedDataDocumentParser::appendBytes(const char* data, size_t length)
     if (!length)
         return 0;
 
-    if (isStopped())
+    // This should be checking isStopped(), but XMLDocumentParser prematurely
+    // stops parsing when handling an XSLT processing instruction and still
+    // needs to receive decoded bytes.
+    if (isDetached())
         return 0;
 
     String decoded = document()->decoder()->decode(data, length);
@@ -58,7 +61,10 @@ size_t DecodedDataDocumentParser::appendBytes(const char* data, size_t length)
 
 size_t DecodedDataDocumentParser::flush()
 {
-    if (isStopped())
+    // This should be checking isStopped(), but XMLDocumentParser prematurely
+    // stops parsing when handling an XSLT processing instruction and still
+    // needs to receive decoded bytes.
+    if (isDetached())
         return 0;
 
     // null decoder indicates there is no data received.