BASELINE: Update chromium to 44.0.2403.47

Change-Id: Ie056fedba95cf5e5c76b30c4b2c80fca4764aa2f
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>

1 files changed, 66 insertions, 6 deletions

diff --git a/chromium/v8/src/compiler/node-aux-data.h b/chromium/v8/src/compiler/node-aux-data.h
index a08dc580ff6..7a882921a71 100644
--- a/chromium/v8/src/compiler/node-aux-data.h
+++ b/chromium/v8/src/compiler/node-aux-data.h
@@ -5,6 +5,7 @@
 #ifndef V8_COMPILER_NODE_AUX_DATA_H_
 #define V8_COMPILER_NODE_AUX_DATA_H_
 
+#include "src/compiler/node.h"
 #include "src/zone-containers.h"
 
 namespace v8 {
@@ -12,22 +13,81 @@ namespace internal {
 namespace compiler {
 
 // Forward declarations.
-class Graph;
 class Node;
 
 template <class T>
 class NodeAuxData {
  public:
-  inline explicit NodeAuxData(Zone* zone);
+  explicit NodeAuxData(Zone* zone) : aux_data_(zone) {}
 
-  inline void Set(Node* node, const T& data);
-  inline T Get(Node* node) const;
+  void Set(Node* node, T const& data) {
+    size_t const id = node->id();
+    if (id >= aux_data_.size()) aux_data_.resize(id + 1);
+    aux_data_[id] = data;
+  }
+
+  T Get(Node* node) const {
+    size_t const id = node->id();
+    return (id < aux_data_.size()) ? aux_data_[id] : T();
+  }
+
+  class const_iterator;
+  friend class const_iterator;
+
+  const_iterator begin() const;
+  const_iterator end() const;
 
  private:
   ZoneVector<T> aux_data_;
 };
+
+
+template <class T>
+class NodeAuxData<T>::const_iterator {
+ public:
+  typedef std::forward_iterator_tag iterator_category;
+  typedef int difference_type;
+  typedef std::pair<size_t, T> value_type;
+  typedef value_type* pointer;
+  typedef value_type& reference;
+
+  const_iterator(const ZoneVector<T>* data, size_t current)
+      : data_(data), current_(current) {}
+  const_iterator(const const_iterator& other)
+      : data_(other.data_), current_(other.current_) {}
+
+  value_type operator*() const {
+    return std::make_pair(current_, (*data_)[current_]);
+  }
+  bool operator==(const const_iterator& other) const {
+    return current_ == other.current_ && data_ == other.data_;
+  }
+  bool operator!=(const const_iterator& other) const {
+    return !(*this == other);
+  }
+  const_iterator& operator++() {
+    ++current_;
+    return *this;
+  }
+  const_iterator operator++(int);
+
+ private:
+  const ZoneVector<T>* data_;
+  size_t current_;
+};
+
+template <class T>
+typename NodeAuxData<T>::const_iterator NodeAuxData<T>::begin() const {
+  return typename NodeAuxData<T>::const_iterator(&aux_data_, 0);
 }
+
+template <class T>
+typename NodeAuxData<T>::const_iterator NodeAuxData<T>::end() const {
+  return typename NodeAuxData<T>::const_iterator(&aux_data_, aux_data_.size());
 }
-}  // namespace v8::internal::compiler
 
-#endif
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_COMPILER_NODE_AUX_DATA_H_