Add CompileInfo::GetDebugName()

src/compiler/graph-visualizer.cc

Index: src/compiler/graph-visualizer.cc
diff --git a/src/compiler/graph-visualizer.cc b/src/compiler/graph-visualizer.cc
index bf3d8edea418d654344baf9c85d479eb78badb37..527469686796cc6cfa5da5b17784a440d231154c 100644
--- a/src/compiler/graph-visualizer.cc
+++ b/src/compiler/graph-visualizer.cc
@@ -18,6 +18,7 @@
 #include "src/compiler/register-allocator.h"
 #include "src/compiler/schedule.h"
 #include "src/compiler/scheduler.h"
+#include "src/interpreter/bytecodes.h"
 #include "src/ostreams.h"
 
 namespace v8 {
@@ -28,14 +29,11 @@ namespace compiler {
 FILE* OpenVisualizerLogFile(CompilationInfo* info, const char* phase,
                             const char* suffix, const char* mode) {
   EmbeddedVector<char, 256> filename(0);
-  base::SmartArrayPointer<char> function_name;
-  if (info->has_shared_info()) {
-    function_name = info->shared_info()->DebugName()->ToCString();
-    if (strlen(function_name.get()) > 0) {
-      SNPrintF(filename, "turbo-%s", function_name.get());
-    } else {
-      SNPrintF(filename, "turbo-%p", static_cast<void*>(info));
-    }
+  base::SmartArrayPointer<char> debug_name = info->GetDebugName();
+  if (strlen(debug_name.get()) > 0) {
+    SNPrintF(filename, "turbo-%s", debug_name.get());
+  } else if (info->has_shared_info()) {
+    SNPrintF(filename, "turbo-%p", static_cast<void*>(info));
   } else {
     SNPrintF(filename, "turbo-none-%s", phase);
   }
@@ -491,15 +489,14 @@ void GraphC1Visualizer::PrintIntProperty(const char* name, int value) {
 
 void GraphC1Visualizer::PrintCompilation(const CompilationInfo* info) {
   Tag tag(this, "compilation");
+  base::SmartArrayPointer<char> name = info->GetDebugName();
   if (info->IsOptimizing()) {
-    Handle<String> name = info->literal()->debug_name();
-    PrintStringProperty("name", name->ToCString().get());
+    PrintStringProperty("name", name.get());
     PrintIndent();
-    os_ << "method \"" << name->ToCString().get() << ":"
-        << info->optimization_id() << "\"\n";
+    os_ << "method \"" << name.get() << ":" << info->optimization_id()
+        << "\"\n";
   } else {
-    CodeStub::Major major_key = info->code_stub()->MajorKey();
-    PrintStringProperty("name", CodeStub::MajorName(major_key, false));
+    PrintStringProperty("name", name.get());
     PrintStringProperty("method", "stub");
   }
   PrintLongProperty("date",