Add log compression ability.

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 5632ff738e4bab0874beee58f775808df6d7704d..fd0c7c65b5d454c7842a99f59da9e6ccf5006a5f 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -164,11 +164,13 @@ static Handle<JSFunction> MakeFunction(bool is_global,
     if (script->name()->IsString()) {
       SmartPointer<char> data =
           String::cast(script->name())->ToCString(DISALLOW_NULLS);
-      LOG(CodeCreateEvent(is_eval ? "Eval" : "Script", *code, *data));
+      LOG(CodeCreateEvent(is_eval ? Logger::EVAL_TAG : Logger::SCRIPT_TAG,
+                          *code, *data));
       OProfileAgent::CreateNativeCodeRegion(*data, code->address(),
                                             code->ExecutableSize());
     } else {
-      LOG(CodeCreateEvent(is_eval ? "Eval" : "Script", *code, ""));
+      LOG(CodeCreateEvent(is_eval ? Logger::EVAL_TAG : Logger::SCRIPT_TAG,
+                          *code, ""));
       OProfileAgent::CreateNativeCodeRegion(is_eval ? "Eval" : "Script",
           code->address(), code->ExecutableSize());
     }
@@ -365,14 +367,14 @@ bool Compiler::CompileLazy(Handle<SharedFunctionInfo> shared,
       if (line_num > 0) {
         line_num += script->line_offset()->value() + 1;
       }
-      LOG(CodeCreateEvent("LazyCompile", *code, *func_name,
+      LOG(CodeCreateEvent(Logger::LAZY_COMPILE_TAG, *code, *func_name,
                           String::cast(script->name()), line_num));
       OProfileAgent::CreateNativeCodeRegion(*func_name,
                                             String::cast(script->name()),
                                             line_num, code->address(),
                                             code->ExecutableSize());
     } else {
-      LOG(CodeCreateEvent("LazyCompile", *code, *func_name));
+      LOG(CodeCreateEvent(Logger::LAZY_COMPILE_TAG, *code, *func_name));
       OProfileAgent::CreateNativeCodeRegion(*func_name, code->address(),
                                             code->ExecutableSize());
     }