CPUProfiler: Simplify CodeEntry constructor calls.

src/profile-generator.h

Index: src/profile-generator.h
diff --git a/src/profile-generator.h b/src/profile-generator.h
index 7a5e1f2fc56ed90d61840356b15da63d51f297c4..f8534e4c3fdb17a3527889480043f1ba35121180 100644
--- a/src/profile-generator.h
+++ b/src/profile-generator.h
@@ -99,9 +99,9 @@ class CodeEntry {
   INLINE(CodeEntry(Logger::LogEventsAndTags tag,
                    const char* name_prefix,
                    const char* name,
-                   const char* resource_name,
-                   int line_number,
-                   int security_token_id));
+                   int security_token_id = TokenEnumerator::kNoSecurityToken,
+                   const char* resource_name = CodeEntry::kEmptyResourceName,
+                   int line_number = v8::CpuProfileNode::kNoLineNumberInfo));
   ~CodeEntry();
 
   INLINE(bool is_js_function() const) { return is_js_function_tag(tag_); }
@@ -125,6 +125,7 @@ class CodeEntry {
   bool IsSameAs(CodeEntry* entry) const;
 
   static const char* const kEmptyNamePrefix;
+  static const char* const kEmptyResourceName;
 
  private:
   Logger::LogEventsAndTags tag_;