Heap profiler: reduce heap snapshots size.

include/v8-profiler.h

Index: include/v8-profiler.h
diff --git a/include/v8-profiler.h b/include/v8-profiler.h
index c99eb0d9f8f1fc42e618ee4e12d87ec946db738d..9e3cb873c6fa7e2d2c43c50de32f6669bab9e3fe 100644
--- a/include/v8-profiler.h
+++ b/include/v8-profiler.h
@@ -194,10 +194,10 @@ class HeapGraphNode;
 class V8EXPORT HeapGraphEdge {
  public:
   enum Type {
-    CONTEXT_VARIABLE = 0,  // A variable from a function context.
-    ELEMENT = 1,           // An element of an array.
-    PROPERTY = 2,          // A named object property.
-    INTERNAL = 3           // A link that can't be accessed from JS,
+    kContextVariable = 0,  // A variable from a function context.
+    kElement = 1,          // An element of an array.
+    kProperty = 2,         // A named object property.
+    kInternal = 3          // A link that can't be accessed from JS,
                            // thus, its name isn't a real property name.
   };
 
@@ -240,12 +240,12 @@ class V8EXPORT HeapGraphPath {
 class V8EXPORT HeapGraphNode {
  public:
   enum Type {
-    INTERNAL = 0,   // Internal node, a virtual one, for housekeeping.
-    ARRAY = 1,      // An array of elements.
-    STRING = 2,     // A string.
-    OBJECT = 3,     // A JS object (except for arrays and strings).
-    CODE = 4,       // Compiled code.
-    CLOSURE = 5     // Function closure.
+    kInternal = 0,   // Internal node, a virtual one, for housekeeping.
+    kArray = 1,      // An array of elements.
+    kString = 2,     // A string.
+    kObject = 3,     // A JS object (except for arrays and strings).
+    kCode = 4,       // Compiled code.
+    kClosure = 5     // Function closure.
   };
 
   /** Returns node type (see HeapGraphNode::Type). */
@@ -268,13 +268,15 @@ class V8EXPORT HeapGraphNode {
   int GetSelfSize() const;
 
   /** Returns node's network (self + reachable nodes) size, in bytes. */
-  int GetTotalSize() const;
+  int GetReachableSize() const;
 
   /**
-   * Returns node's private size, in bytes. That is, the size of memory
-   * that will be reclaimed having this node collected.
+   * Returns node's retained size, in bytes. That is, self + sizes of
+   * the objects that are reachable only from this object. In other
+   * words, the size of memory that will be reclaimed having this node
+   * collected.
    */
-  int GetPrivateSize() const;
+  int GetRetainedSize() const;
 
   /** Returns child nodes count of the node. */
   int GetChildrenCount() const;