Remove mail blockquote special case handling.

Source/WebCore/editing/InsertParagraphSeparatorCommand.cpp

Index: Source/WebCore/editing/InsertParagraphSeparatorCommand.cpp
diff --git a/Source/WebCore/editing/InsertParagraphSeparatorCommand.cpp b/Source/WebCore/editing/InsertParagraphSeparatorCommand.cpp
index 64a5254baa7f3ad9d6016326ff3369accc0e5bcc..42232c6562f6eb9e88cf08a103728198491ce626 100644
--- a/Source/WebCore/editing/InsertParagraphSeparatorCommand.cpp
+++ b/Source/WebCore/editing/InsertParagraphSeparatorCommand.cpp
@@ -59,10 +59,9 @@ static Element* highestVisuallyEquivalentDivBelowRoot(Element* startBlock)
     return curBlock;
 }
 
-InsertParagraphSeparatorCommand::InsertParagraphSeparatorCommand(Document *document, bool mustUseDefaultParagraphElement, bool pasteBlockqutoeIntoUnquotedArea) 
+InsertParagraphSeparatorCommand::InsertParagraphSeparatorCommand(Document *document, bool mustUseDefaultParagraphElement)
     : CompositeEditCommand(document)
     , m_mustUseDefaultParagraphElement(mustUseDefaultParagraphElement)
-    , m_pasteBlockqutoeIntoUnquotedArea(pasteBlockqutoeIntoUnquotedArea)
 {
 }
 
@@ -223,13 +222,6 @@ void InsertParagraphSeparatorCommand::doApply()
             }
             appendNode(blockToInsert, startBlock);
         } else {
-            // We can get here if we pasted a copied portion of a blockquote with a newline at the end and are trying to paste it
-            // into an unquoted area. We then don't want the newline within the blockquote or else it will also be quoted.
-            if (m_pasteBlockqutoeIntoUnquotedArea) {
-                if (Node* highestBlockquote = highestEnclosingNodeOfType(canonicalPos, &isMailBlockquote))
-                    startBlock = toElement(highestBlockquote);
-            }
-
             // Most of the time we want to stay at the nesting level of the startBlock (e.g., when nesting within lists).  However,
             // for div nodes, this can result in nested div tags that are hard to break out of.
             Element* siblingNode = startBlock.get();