Bug #282278 --> Don't spell check message headers when forwarding as inline

r=glazman
sr=bienvenu

editor/composer/src/nsComposeTxtSrvFilter.cpp

@@ -48,6 +48,7 @@ nsComposeTxtSrvFilter::nsComposeTxtSrvFilter() :
   mBlockQuoteAtom  = do_GetAtom("blockquote");
   mPreAtom         = do_GetAtom("pre");
   mSpanAtom        = do_GetAtom("span");
+  mTableAtom       = do_GetAtom("table");
   mMozQuoteAtom    = do_GetAtom("_moz_quote");
   mClassAtom       = do_GetAtom("class");
   mTypeAtom        = do_GetAtom("type");
@@ -94,6 +95,13 @@ nsComposeTxtSrvFilter::Skip(nsIDOMNode* aNode, PRBool *_retval)
                tag == mSelectAreaAtom ||
                tag == mMapAtom) {
       *_retval = PR_TRUE;
+    } else if (tag == mTableAtom) {
+      if (mIsForMail) {
+          nsAutoString className;
+          if (NS_SUCCEEDED(content->GetAttr(kNameSpaceID_None, mClassAtom, className))) {
+            *_retval = className.EqualsLiteral("moz-email-headers-table");
+        }
+      } 
     }
   }
 

editor/composer/src/nsComposeTxtSrvFilter.h

@@ -69,6 +69,7 @@ protected:
   nsCOMPtr<nsIAtom> mPreAtom;          // mail plain text quotes are wrapped in pre tags
   nsCOMPtr<nsIAtom> mSpanAtom;         //or they may be wrapped in span tags (editor.quotesPreformatted). 
   nsCOMPtr<nsIAtom> mMozQuoteAtom;     // _moz_quote_
+  nsCOMPtr<nsIAtom> mTableAtom;
   nsCOMPtr<nsIAtom> mClassAtom;
   nsCOMPtr<nsIAtom> mTypeAtom;
   nsCOMPtr<nsIAtom> mScriptAtom;

mailnews/mime/src/mimedrft.cpp

@@ -86,7 +86,7 @@
 // Header strings...
 //
 #define HEADER_NNTP_POSTING_HOST      "NNTP-Posting-Host"
-#define MIME_HEADER_TABLE             "<TABLE CELLPADDING=0 CELLSPACING=0 BORDER=0>"
+#define MIME_HEADER_TABLE             "<TABLE CELLPADDING=0 CELLSPACING=0 BORDER=0 class=\"moz-email-headers-table\">"
 #define HEADER_START_JUNK             "<TR><TH VALIGN=BASELINE ALIGN=RIGHT NOWRAP>"
 #define HEADER_MIDDLE_JUNK            ": </TH><TD>"
 #define HEADER_END_JUNK               "</TD></TR>"