Remove kContext node type introduced in r13936

It has been decided not to pollute node types with extra values.

Review URL: https://codereview.chromium.org//12833005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13959 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

include/v8-profiler.h

@@ -254,9 +254,8 @@ class V8EXPORT HeapGraphNode {
     kRegExp = 6,      // RegExp.
     kHeapNumber = 7,  // Number stored in the heap.
     kNative = 8,      // Native object (not from V8 heap).
-    kSynthetic = 9,   // Synthetic object, usualy used for grouping
+    kSynthetic = 9    // Synthetic object, usualy used for grouping
                       // snapshot items together.
-    kContext = 10     // Context
   };
 
   /** Returns node type (see HeapGraphNode::Type). */

src/heap-snapshot-generator.cc

@@ -174,7 +174,6 @@ const char* HeapEntry::TypeAsString() {
     case kHeapNumber: return "/number/";
     case kNative: return "/native/";
     case kSynthetic: return "/synthetic/";
-    case kContext: return "/context/";
     default: return "???";
   }
 }
@@ -827,7 +826,7 @@ HeapEntry* V8HeapExplorer::AddEntry(HeapObject* object) {
   } else if (object->IsNativeContext()) {
     return AddEntry(object, HeapEntry::kHidden, "system / NativeContext");
   } else if (object->IsContext()) {
-    return AddEntry(object, HeapEntry::kContext, "system / Context");
+    return AddEntry(object, HeapEntry::kObject, "system / Context");
   } else if (object->IsFixedArray() ||
              object->IsFixedDoubleArray() ||
              object->IsByteArray() ||
@@ -2580,8 +2579,7 @@ void HeapSnapshotJSONSerializer::SerializeSnapshot() {
             JSON_S("regexp") ","
             JSON_S("number") ","
             JSON_S("native") ","
-            JSON_S("synthetic") ","
-            JSON_S("context")) ","
+            JSON_S("synthetic")) ","
         JSON_S("string") ","
         JSON_S("number") ","
         JSON_S("number") ","

src/heap-snapshot-generator.h

@@ -98,8 +98,7 @@ class HeapEntry BASE_EMBEDDED {
     kRegExp = v8::HeapGraphNode::kRegExp,
     kHeapNumber = v8::HeapGraphNode::kHeapNumber,
     kNative = v8::HeapGraphNode::kNative,
-    kSynthetic = v8::HeapGraphNode::kSynthetic,
-    kContext = v8::HeapGraphNode::kContext
+    kSynthetic = v8::HeapGraphNode::kSynthetic
   };
   static const int kNoEntry;