Catch up to the namespace rename from WebCore to blink in dmprof.

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 203 matching lines @@
       "stacktrace": ".*SkTypeface::openStream.*",
       "allocator": "mmap"
     },
     {
       "name": "mmap-catch-all",
       "stacktrace": ".*",
       "allocator": "mmap"
     },
     {
       "name": "tc-webcore-cachedmatchedproperties",
-      "stacktrace": ".*WebCore::CachedMatchedProperties::(set|add).*",
+      "stacktrace": ".*(WebCore|blink)::CachedMatchedProperties::(set|add).*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-fontcache",
-      "stacktrace": ".*WebCore::FontCache::getFontData.*",
+      "stacktrace": ".*(WebCore|blink)::FontCache::getFontData.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-skia",
       "stacktrace": ".* Sk[A-Za-z_]+::.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-renderstyle",
-      "stacktrace": ".*WebCore::RenderStyle::create.*",
+      "stacktrace": ".*(WebCore|blink)::RenderStyle::create.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-renderstyle",
-      "stacktrace": ".*WebCore::RenderStyle::clone.*",
+      "stacktrace": ".*(WebCore|blink)::RenderStyle::clone.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-sharedbuf",
-      "stacktrace": ".*WebCore::SharedBuffer::create.*",
+      "stacktrace": ".*(WebCore|blink)::SharedBuffer::create.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-sharedbuf",
-      "stacktrace": ".*WebCore::SharedBuffer::buffer.*",
+      "stacktrace": ".*(WebCore|blink)::SharedBuffer::buffer.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-sharedbuf",
-      "stacktrace": ".*WebCore::SharedBuffer::append.*",
+      "stacktrace": ".*(WebCore|blink)::SharedBuffer::append.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-XHRcreate",
-      "stacktrace": ".*WebCore::XMLHttpRequest::create .*",
+      "stacktrace": ".*(WebCore|blink)::XMLHttpRequest::create .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-XHRreceived",
-      "stacktrace": ".*WebCore::XMLHttpRequest::didReceiveData.*",
+      "stacktrace": ".*(WebCore|blink)::XMLHttpRequest::didReceiveData.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-docwriter-add",
-      "stacktrace": ".*WebCore::DocumentWriter::addData.*",
+      "stacktrace": ".*(WebCore|blink)::DocumentWriter::addData.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-node-and-doc",
-      "stacktrace": ".*WebCore::HTML[a-zA-Z0-9_]*Element::create .*",
+      "stacktrace": ".*(WebCore|blink)::HTML[a-zA-Z0-9_]*Element::create .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-node-and-doc",
-      "stacktrace": ".*WebCore::Text::create .*",
+      "stacktrace": ".*(WebCore|blink)::Text::create .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-node-and-doc",
-      "stacktrace": ".*WebCore::Comment::create .*",
+      "stacktrace": ".*(WebCore|blink)::Comment::create .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-node-and-doc",
-      "stacktrace": ".*WebCore::HTMLDocument::create .*",
+      "stacktrace": ".*(WebCore|blink)::HTMLDocument::create .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-node-and-doc",
-      "stacktrace": ".*WebCore::CSSStyleRule::create .*",
+      "stacktrace": ".*(WebCore|blink)::CSSStyleRule::create .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-node-and-doc",
-      "stacktrace": ".*WebCore::Attribute::create .*",
+      "stacktrace": ".*(WebCore|blink)::Attribute::create .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-node-and-doc",
-      "stacktrace": ".*WebCore::DOMWindow::create .*",
+      "stacktrace": ".*(WebCore|blink)::DOMWindow::create .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-node-factory",
-      "stacktrace": ".*WebCore::HTML[a-zA-Z0-9_]*Factory::create[a-zA-Z0-9_]*Element.*",
+      "stacktrace": ".*(WebCore|blink)::HTML[a-zA-Z0-9_]*Factory::create[a-zA-Z0-9_]*Element.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-element-wrapper",
-      "stacktrace": ".*WebCore::createHTML[a-zA-Z0-9_]*ElementWrapper.*",
+      "stacktrace": ".*(WebCore|blink)::createHTML[a-zA-Z0-9_]*ElementWrapper.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-stylepropertyset",
-      "stacktrace": ".*WebCore::ImmutableStylePropertySet::create .*",
+      "stacktrace": ".*(WebCore|blink)::ImmutableStylePropertySet::create .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-stylepropertyset",
-      "stacktrace": ".*WebCore::MutableStylePropertySet::create .*",
+      "stacktrace": ".*(WebCore|blink)::MutableStylePropertySet::create .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-style-createsheet",
-      "stacktrace": ".*WebCore::StyleElement::createSheet.*",
+      "stacktrace": ".*(WebCore|blink)::StyleElement::createSheet.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-resource",
-      "stacktrace": ".*WebCore::ResourceFetcher::requestResource .*", 
+      "stacktrace": ".*(WebCore|blink)::ResourceFetcher::requestResource .*", 
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-script-execute",
-      "stacktrace": ".*WebCore::ScriptLoader::execute.*",
+      "stacktrace": ".*(WebCore|blink)::ScriptLoader::execute.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-events-related",
-      "stacktrace": ".*WebCore::createAttributeEventListener.*",
+      "stacktrace": ".*(WebCore|blink)::createAttributeEventListener.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-events-related",
-      "stacktrace": ".*WebCore::V8LazyEventListener::create.*",
+      "stacktrace": ".*(WebCore|blink)::V8LazyEventListener::create.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-events-related",
-      "stacktrace": ".*WebCore::V8EventListener::create.*",
+      "stacktrace": ".*(WebCore|blink)::V8EventListener::create.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-events-related",
-      "stacktrace": ".*WebCore::Event::create .*",
+      "stacktrace": ".*(WebCore|blink)::Event::create .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-events-related",
-      "stacktrace": ".*WebCore::EventListener::create .*",
+      "stacktrace": ".*(WebCore|blink)::EventListener::create .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-document-write",
-      "stacktrace": ".*WebCore::Document::write.*",
+      "stacktrace": ".*(WebCore|blink)::Document::write.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-element-create-renderer",
-      "stacktrace": ".*WebCore::[a-zA-Z0-9_]*Element::createRenderer .*",
+      "stacktrace": ".*(WebCore|blink)::[a-zA-Z0-9_]*Element::createRenderer .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-render-catch-all",
-      "stacktrace": ".*WebCore::RenderLayer.*",
+      "stacktrace": ".*(WebCore|blink)::RenderLayer.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-render-catch-all",
-      "stacktrace": ".*WebCore::RenderBlock.*",
+      "stacktrace": ".*(WebCore|blink)::RenderBlock.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-render-catch-all",
-      "stacktrace": ".*WebCore::RenderWidget.*",
+      "stacktrace": ".*(WebCore|blink)::RenderWidget.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-render-catch-all",
-      "stacktrace": ".*WebCore::RenderView.*",
+      "stacktrace": ".*(WebCore|blink)::RenderView.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-render-catch-all",
-      "stacktrace": ".*WebCore::RenderViewImpl.*",
+      "stacktrace": ".*(WebCore|blink)::RenderViewImpl.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-render-catch-all",
-      "stacktrace": ".*WebCore::RenderStyle.*",
+      "stacktrace": ".*(WebCore|blink)::RenderStyle.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-render-catch-all",
-      "stacktrace": ".*WebCore::RenderText.*",
+      "stacktrace": ".*(WebCore|blink)::RenderText.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-render-catch-all",
       "stacktrace": ".* RendererMain .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-setInnerHTML-except-node",
-      "stacktrace": ".*WebCore::Element::setInnerHTML.*",
+      "stacktrace": ".*(WebCore|blink)::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.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-wtf-HashTable-user-catch-all",
       "stacktrace": ".*WTF::HashTable::allocateTable.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webcore-everything-create",
-      "stacktrace": ".*WebCore::[a-zA-Z0-9_]*::create .*",
+      "stacktrace": ".*(WebCore|blink)::[a-zA-Z0-9_]*::create .*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webkit-from-v8-catch-all",
-      "stacktrace": ".*(WTF::|WebCore::|WebKit::).*v8::.*",
+      "stacktrace": ".*(WTF::|WebCore::|blink::|WebKit::).*v8::.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-webkit-catch-all",
-      "stacktrace": ".*(WTF::|WebCore::|WebKit::).*",
+      "stacktrace": ".*(WTF::|WebCore::|blink::|WebKit::).*",
       "allocator": "malloc"
     },
     {
       "name": "tc-v8-catch-all",
       "stacktrace": ".*v8::.*",
       "allocator": "malloc"
     },
     {
       "name": "tc-toplevel-string",
       "stacktrace": "std::basic_string::_Rep::_S_create",
@@ skipping 65 matching lines @@
       "allocator": "optional"
     },
     {
       "name": "other",
       "stacktrace": "optional",
       "allocator": "optional"
     }
   ],
   "version": "POLICY_DEEP_3"
 }