update deep-memory-profiler policy for webcore.

tools/deep_memory_profiler/policy.l2.json

 {
   "components": [
     "second",
     "mmap-profiler",
     "mmap-type-profiler",
     "mmap-tcmalloc",
     "FROM_HERE_FOR_TOTAL",
     "mustbezero",
     "unhooked-absent",
     "unhooked-anonymous",
@@ skipping 20 matching lines @@
     "tc-renderstyle",
     "tc-webcore-sharedbuf",
     "tc-webcore-XHRcreate",
     "tc-webcore-XHRreceived",
     "tc-webcore-docwriter-add",
     "tc-webcore-node-and-doc",
     "tc-webcore-node-factory",
     "tc-webcore-element-wrapper",
     "tc-webcore-stylepropertyset",
     "tc-webcore-style-createsheet",
-    "tc-webcore-cachedresource",
+    "tc-webcore-resource",
     "tc-webcore-script-execute",
     "tc-webcore-events-related",
     "tc-webcore-document-write",
-    "tc-webcore-node-create-renderer",
+    "tc-webcore-element-create-renderer",
     "tc-webcore-render-catch-all",
     "tc-webcore-setInnerHTML-except-node",
     "tc-wtf-StringImpl-user-catch-all",
     "tc-wtf-HashTable-user-catch-all",
     "tc-webcore-everything-create",
     "tc-webkit-from-v8-catch-all",
     "tc-webkit-catch-all",
     "tc-v8-catch-all",
     "tc-toplevel-string",
     "tc-std-treemap",
@@ skipping 253 matching lines @@
       "name": "tc-webcore-stylepropertyset",
       "stacktrace": ".*WebCore::MutableStylePropertySet::create .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-style-createsheet",
       "stacktrace": ".*WebCore::StyleElement::createSheet.*",
       "allocator": "malloc"
     },
     {
-      "name": "tc-webcore-cachedresource",
-      "stacktrace": ".*WebCore::CachedResource::data .*",
-      "allocator": "malloc"
-    },
-    {
-      "name": "tc-webcore-cachedresource",
-      "stacktrace": ".*WebCore::CachedResource::load .*",
+      "name": "tc-webcore-resource",
+      "stacktrace": ".*WebCore::ResourceFetcher::requestResource .*", 
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-script-execute",
-      "stacktrace": ".*WebCore::ScriptElement::execute.*",
+      "stacktrace": ".*WebCore::ScriptLoader::execute.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-events-related",
       "stacktrace": ".*WebCore::createAttributeEventListener.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-events-related",
       "stacktrace": ".*WebCore::V8LazyEventListener::create.*",
@@ skipping 13 matching lines @@
       "name": "tc-webcore-events-related",
       "stacktrace": ".*WebCore::EventListener::create .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-document-write",
       "stacktrace": ".*WebCore::Document::write.*",
       "allocator": "malloc"
     },
     {
-      "name": "tc-webcore-node-create-renderer",
-      "stacktrace": ".*WebCore::Node::createRendererIfNeeded.*",
+      "name": "tc-webcore-element-create-renderer",
+      "stacktrace": ".*WebCore::[a-zA-Z0-9_]*Element::createRenderer .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-render-catch-all",
       "stacktrace": ".*WebCore::RenderLayer.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-render-catch-all",
       "stacktrace": ".*WebCore::RenderBlock.*",
@@ skipping 24 matching lines @@
       "stacktrace": ".*WebCore::RenderText.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-render-catch-all",
       "stacktrace": ".* RendererMain .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-setInnerHTML-except-node",
-      "stacktrace": ".*WebCore::HTMLElement::setInnerHTML.*",
+      "stacktrace": ".*WebCore::Element::setInnerHTML.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-wtf-StringImpl-user-catch-all",
       "stacktrace": ".*WTF::StringImpl::create .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-wtf-StringImpl-user-catch-all",
       "stacktrace": ".*WTF::StringImpl::createUninitialized.*",
@@ skipping 95 matching lines @@
       "allocator": "optional"
     },
     {
       "name": "other",
       "stacktrace": "optional",
       "allocator": "optional"
     }
   ],
   "version": "POLICY_DEEP_3"
 }