Implement DrawQuad StructTraits

cc/base/list_container.h

Index: cc/base/list_container.h
diff --git a/cc/base/list_container.h b/cc/base/list_container.h
index 04c7f14a0322bcc03b99d761540f401742beab7a..07e7d321feb371c8ab43b87592af8cdea4170f55 100644
--- a/cc/base/list_container.h
+++ b/cc/base/list_container.h
@@ -27,6 +27,10 @@ namespace cc {
 template <class BaseElementType>
 class ListContainer {
  public:
+  ListContainer(ListContainer&& other) : helper_(sizeof(BaseElementType)) {
+    helper_.data_.swap(other.helper_.data_);
+  }
+
   // BaseElementType is the type of raw pointers this class hands out; however,
   // its derived classes might require different memory sizes.
   // max_size_for_derived_class the largest memory size required for all the
@@ -144,6 +148,11 @@ class ListContainer {
     return result;
   }
 
+  ListContainer& operator=(ListContainer&& other) {
+    helper_.data_.swap(other.helper_.data_);
+    return *this;
+  }
+
   template <typename DerivedElementType>
   void swap(ListContainer<DerivedElementType>& other) {
     helper_.data_.swap(other.helper_.data_);