Fix compilation when disabling debugger support.

test/cctest/test-heap-profiler.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 //
 // Tests for heap profiler
 
 #include <ctype.h>
 
 #include "v8.h"
 
 #include "cctest.h"
 #include "hashmap.h"
@@ skipping 1545 matching lines @@
   const v8::HeapGraphNode* shared =
       GetProperty(fun, v8::HeapGraphEdge::kInternal, "shared");
   CHECK(HasWeakEdge(shared));
 }
 
 
 TEST(NoDebugObjectInSnapshot) {
   v8::HandleScope scope;
   LocalContext env;
 
+#ifdef ENABLE_DEBUGGER_SUPPORT
   v8::internal::Isolate::Current()->debug()->Load();
+#endif
   CompileRun("foo = {};");
   const v8::HeapSnapshot* snapshot =
       v8::HeapProfiler::TakeSnapshot(v8_str("snapshot"));
   const v8::HeapGraphNode* root = snapshot->GetRoot();
   int globals_count = 0;
   for (int i = 0; i < root->GetChildrenCount(); ++i) {
     const v8::HeapGraphEdge* edge = root->GetChild(i);
     if (edge->GetType() == v8::HeapGraphEdge::kShortcut) {
       ++globals_count;
       const v8::HeapGraphNode* global = edge->GetToNode();
@@ skipping 72 matching lines @@
   const v8::HeapGraphNode* global_object =
       GetProperty(global, v8::HeapGraphEdge::kProperty, "global_object");
   CHECK_NE(NULL, global_object);
   const v8::HeapGraphNode* properties =
       GetProperty(global_object, v8::HeapGraphEdge::kInternal, "properties");
   CHECK_EQ(NULL, properties);
   const v8::HeapGraphNode* elements =
       GetProperty(global_object, v8::HeapGraphEdge::kInternal, "elements");
   CHECK_EQ(NULL, elements);
 }