Stop using WebCore namespace in generated code

Source/build/scripts/templates/MakeNames.cpp.tmpl

 {% from "macros.tmpl" import license %}
 {{ license() }}
 
 #include "config.h"
 
 #include "{{namespace}}{{suffix}}Names.h"
 
 #include "wtf/StaticConstructors.h"
 
-namespace WebCore {
+namespace blink {
 namespace {{namespace}}Names {
 
 using namespace WTF;
 
 {% for entry in entries|sort %}
 {% filter enable_conditional(entry.Conditional) %}
 DEFINE_GLOBAL(AtomicString, {{entry|symbol}})
 {% endfilter %}
 {% endfor %}
 
 void init{{suffix}}()
 {
     {% for entry in entries|sort %}
     {% filter enable_conditional(entry.Conditional) %}
     StringImpl* {{entry|symbol}}Impl = StringImpl::createStatic("{{entry|cpp_name}}", {{entry|cpp_name|length}}, {{entry|cpp_name|hash}});
     {% endfilter %}
     {% endfor %}
 
     {% for entry in entries|sort %}
     {% filter enable_conditional(entry.Conditional) %}
     new ((void*)&{{entry|symbol}}) AtomicString({{entry|symbol}}Impl);
     {% endfilter %}
     {% endfor %}
 }
 
 } // {{namespace}}Names
-} // WebCore
+} // namespace blink