Version 3.22.3

Added methods to enable configuration of ResourceConstraints based on limits derived at runtime. (Chromium issue 292928)

Added -optimize-for-size flag to optimize for memory size (will be used by pre-aging CL), and removed the is_memory_constrained ResourceConstraint. (Chromium issue 292928)

Performance and stability improvements on all platforms.

git-svn-id: http://v8.googlecode.com/svn/trunk@16974 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/unique.h b/src/unique.h
index fdb7016..a93b046 100644
--- a/src/unique.h
+++ b/src/unique.h
@@ -120,6 +120,10 @@
     return handle_;
   }
 
+  template <class S> static Unique<T> cast(Unique<S> that) {
+    return Unique<T>(that.raw_address_, Handle<T>::cast(that.handle_));
+  }
+
   inline bool IsInitialized() const {
     return raw_address_ != NULL || handle_.is_null();
   }
@@ -169,6 +173,17 @@
     array_[size_++] = uniq;
   }
 
+  // Remove an element from this set. Mutates this set. O(|this|)
+  void Remove(Unique<T> uniq) {
+    for (int i = 0; i < size_; i++) {
+      if (array_[i] == uniq) {
+        while (++i < size_) array_[i - 1] = array_[i];
+        size_--;
+        return;
+      }
+    }
+  }
+
   // Compare this set against another set. O(|this|).
   bool Equals(UniqueSet<T>* that) const {
     if (that->size_ != this->size_) return false;
@@ -273,6 +288,10 @@
     return copy;
   }
 
+  void Clear() {
+    size_ = 0;
+  }
+
   inline int size() const {
     return size_;
   }