Update HTML diagnostics to honor the different between 'event' and 'control-flow' diagnostics.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65877 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Rewrite/HTMLRewrite.cpp b/lib/Rewrite/HTMLRewrite.cpp
index 692af80..b1f5cee 100644
--- a/lib/Rewrite/HTMLRewrite.cpp
+++ b/lib/Rewrite/HTMLRewrite.cpp
@@ -307,15 +307,16 @@
       " .num { color:#444444 }\n"
       " .line { padding-left: 1ex; border-left: 3px solid #ccc }\n"
       " .line { white-space: pre }\n"
-      " .msg { background-color:#fff8b4; color:#000000 }\n"
       " .msg { -webkit-box-shadow:1px 1px 7px #000 }\n"
       " .msg { -webkit-border-radius:5px }\n"
       " .msg { font-family:Helvetica, sans-serif; font-size: smaller }\n"
-      " .msg { font-weight: bold }\n"
       " .msg { float:left }\n"
       " .msg { padding:0.5em 1ex 0.5em 1ex }\n"
       " .msg { margin-top:10px; margin-bottom:10px }\n"
+      " .msg { font-weight:bold }\n"
       " .msg { max-width:60em; word-wrap: break-word; white-space: pre-wrap;}\n"
+      " .msgEvent { background-color:#fff8b4; color:#000000 }\n"
+      " .msgControl { background-color:#bbbbbb; color:#444444 }\n"
       " .mrange { background-color:#dfddf3 }\n"
       " .mrange { border-bottom:1px solid #6F9DBE }\n"
       " .PathIndex { font-weight: bold }\n"