Remove mail blockquote special case handling.

Source/WebCore/editing/EditingStyle.cpp

Index: Source/WebCore/editing/EditingStyle.cpp
diff --git a/Source/WebCore/editing/EditingStyle.cpp b/Source/WebCore/editing/EditingStyle.cpp
index a30f800c5de3531deb6f053012aa57db61d7f117..167ed61c1d750d470f8326ea0286cda29eb0cbbd 100644
--- a/Source/WebCore/editing/EditingStyle.cpp
+++ b/Source/WebCore/editing/EditingStyle.cpp
@@ -1007,11 +1007,6 @@ PassRefPtr<EditingStyle> EditingStyle::wrappingStyleForSerialization(Node* conte
     if (shouldAnnotate) {
         wrappingStyle = EditingStyle::create(context, EditingStyle::EditingPropertiesInEffect);
 
-        // Styles that Mail blockquotes contribute should only be placed on the Mail blockquote,
-        // to help us differentiate those styles from ones that the user has applied.
-        // This helps us get the color of content pasted into blockquotes right.
-        wrappingStyle->removeStyleAddedByNode(enclosingNodeOfType(firstPositionInOrBeforeNode(context), isMailBlockquote, CanCrossEditingBoundary));
-
         // Call collapseTextDecorationProperties first or otherwise it'll copy the value over from in-effect to text-decorations.
         wrappingStyle->collapseTextDecorationProperties();
         
@@ -1022,7 +1017,7 @@ PassRefPtr<EditingStyle> EditingStyle::wrappingStyleForSerialization(Node* conte
 
     // When not annotating for interchange, we only preserve inline style declarations.
     for (Node* node = context; node && !node->isDocumentNode(); node = node->parentNode()) {
-        if (node->isStyledElement() && !isMailBlockquote(node)) {
+        if (node->isStyledElement()) {
             wrappingStyle->mergeInlineAndImplicitStyleOfElement(static_cast<StyledElement*>(node), EditingStyle::DoNotOverrideValues,
                 EditingStyle::EditingPropertiesInEffect);
         }