Remove snapshots-related code that is implemented in DevTools heap profiler.

src/api.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 5270 matching lines @@
 
 
 const HeapGraphNode* HeapGraphEdge::GetToNode() const {
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapGraphEdge::GetToNode");
   const i::HeapEntry* to = ToInternal(this)->to();
   return reinterpret_cast<const HeapGraphNode*>(to);
 }
 
 
-static i::HeapGraphPath* ToInternal(const HeapGraphPath* path) {
-  return const_cast<i::HeapGraphPath*>(
-      reinterpret_cast<const i::HeapGraphPath*>(path));
-}
-
-
-int HeapGraphPath::GetEdgesCount() const {
-  return ToInternal(this)->path()->length();
-}
-
-
-const HeapGraphEdge* HeapGraphPath::GetEdge(int index) const {
-  return reinterpret_cast<const HeapGraphEdge*>(
-      ToInternal(this)->path()->at(index));
-}
-
-
-const HeapGraphNode* HeapGraphPath::GetFromNode() const {
-  return GetEdgesCount() > 0 ? GetEdge(0)->GetFromNode() : NULL;
-}
-
-
-const HeapGraphNode* HeapGraphPath::GetToNode() const {
-  const int count = GetEdgesCount();
-  return count > 0 ? GetEdge(count - 1)->GetToNode() : NULL;
-}
-
-
 static i::HeapEntry* ToInternal(const HeapGraphNode* entry) {
   return const_cast<i::HeapEntry*>(
       reinterpret_cast<const i::HeapEntry*>(entry));
 }
 
 
 HeapGraphNode::Type HeapGraphNode::GetType() const {
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapGraphNode::GetType");
   return static_cast<HeapGraphNode::Type>(ToInternal(this)->type());
@@ skipping 61 matching lines @@
 
 
 const HeapGraphEdge* HeapGraphNode::GetRetainer(int index) const {
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::GetRetainer");
   return reinterpret_cast<const HeapGraphEdge*>(
       ToInternal(this)->retainers()[index]);
 }
 
 
-int HeapGraphNode::GetRetainingPathsCount() const {
-  i::Isolate* isolate = i::Isolate::Current();
-  IsDeadCheck(isolate, "v8::HeapSnapshot::GetRetainingPathsCount");
-  return ToInternal(this)->GetRetainingPaths()->length();
-}
-
-
-const HeapGraphPath* HeapGraphNode::GetRetainingPath(int index) const {
-  i::Isolate* isolate = i::Isolate::Current();
-  IsDeadCheck(isolate, "v8::HeapSnapshot::GetRetainingPath");
-  return reinterpret_cast<const HeapGraphPath*>(
-      ToInternal(this)->GetRetainingPaths()->at(index));
-}
-
-
 const HeapGraphNode* HeapGraphNode::GetDominatorNode() const {
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::GetDominatorNode");
   return reinterpret_cast<const HeapGraphNode*>(ToInternal(this)->dominator());
 }
 
 
-const HeapGraphNode* HeapSnapshotsDiff::GetAdditionsRoot() const {
-  i::Isolate* isolate = i::Isolate::Current();
-  IsDeadCheck(isolate, "v8::HeapSnapshotsDiff::GetAdditionsRoot");
-  i::HeapSnapshotsDiff* diff =
-      const_cast<i::HeapSnapshotsDiff*>(
-          reinterpret_cast<const i::HeapSnapshotsDiff*>(this));
-  return reinterpret_cast<const HeapGraphNode*>(diff->additions_root());
-}
-
-
-const HeapGraphNode* HeapSnapshotsDiff::GetDeletionsRoot() const {
-  i::Isolate* isolate = i::Isolate::Current();
-  IsDeadCheck(isolate, "v8::HeapSnapshotsDiff::GetDeletionsRoot");
-  i::HeapSnapshotsDiff* diff =
-      const_cast<i::HeapSnapshotsDiff*>(
-          reinterpret_cast<const i::HeapSnapshotsDiff*>(this));
-  return reinterpret_cast<const HeapGraphNode*>(diff->deletions_root());
-}
-
-
 static i::HeapSnapshot* ToInternal(const HeapSnapshot* snapshot) {
   return const_cast<i::HeapSnapshot*>(
       reinterpret_cast<const i::HeapSnapshot*>(snapshot));
 }
 
 
 void HeapSnapshot::Delete() {
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::Delete");
   if (i::HeapProfiler::GetSnapshotsCount() > 1) {
@@ skipping 35 matching lines @@
 
 
 const HeapGraphNode* HeapSnapshot::GetNodeById(uint64_t id) const {
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::GetNodeById");
   return reinterpret_cast<const HeapGraphNode*>(
       ToInternal(this)->GetEntryById(id));
 }
 
 
-const HeapSnapshotsDiff* HeapSnapshot::CompareWith(
-    const HeapSnapshot* snapshot) const {
-  i::Isolate* isolate = i::Isolate::Current();
-  IsDeadCheck(isolate, "v8::HeapSnapshot::CompareWith");
-  return reinterpret_cast<const HeapSnapshotsDiff*>(
-      ToInternal(this)->CompareWith(ToInternal(snapshot)));
-}
-
-
 void HeapSnapshot::Serialize(OutputStream* stream,
                              HeapSnapshot::SerializationFormat format) const {
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapSnapshot::Serialize");
   ApiCheck(format == kJSON,
            "v8::HeapSnapshot::Serialize",
            "Unknown serialization format");
   ApiCheck(stream->GetOutputEncoding() == OutputStream::kAscii,
            "v8::HeapSnapshot::Serialize",
            "Unsupported output encoding");
@@ skipping 194 matching lines @@
 
 
 char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) {
   HandleScopeImplementer* scope_implementer =
       reinterpret_cast<HandleScopeImplementer*>(storage);
   scope_implementer->IterateThis(v);
   return storage + ArchiveSpacePerThread();
 }
 
 } }  // namespace v8::internal