Remove all support for <applet> handling in Chrome.

Source/core/html/parser/HTMLTreeBuilder.cpp

Index: Source/core/html/parser/HTMLTreeBuilder.cpp
diff --git a/Source/core/html/parser/HTMLTreeBuilder.cpp b/Source/core/html/parser/HTMLTreeBuilder.cpp
index 7a1d8199dbc66387c93cccb8782af1e74acd83d2..21d666b6fa5734b46e93ecb413b57930edb5c324 100644
--- a/Source/core/html/parser/HTMLTreeBuilder.cpp
+++ b/Source/core/html/parser/HTMLTreeBuilder.cpp
@@ -752,14 +752,12 @@ void HTMLTreeBuilder::processStartTagForInBody(AtomicHTMLToken* token)
         m_tree.insertFormattingElement(token);
         return;
     }
-    if (token->name() == appletTag
-        || token->name() == embedTag
+    if (token->name() == embedTag
         || token->name() == objectTag) {
         if (!pluginContentIsAllowed(m_tree.parserContentPolicy()))
             return;
     }
-    if (token->name() == appletTag
-        || token->name() == marqueeTag
+    if (token->name() == marqueeTag
         || token->name() == objectTag) {
         m_tree.reconstructTheActiveFormattingElements();
         m_tree.insertHTMLElement(token);
@@ -1860,8 +1858,7 @@ void HTMLTreeBuilder::processEndTagForInBody(AtomicHTMLToken* token)
         callTheAdoptionAgency(token);
         return;
     }
-    if (token->name() == appletTag
-        || token->name() == marqueeTag
+    if (token->name() == marqueeTag
         || token->name() == objectTag) {
         if (!m_tree.openElements()->inScope(token->name())) {
             parseError(token);