Implement cc::FilterOperations StructTraits

cc/output/filter_operations.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_OUTPUT_FILTER_OPERATIONS_H_
 #define CC_OUTPUT_FILTER_OPERATIONS_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 15 matching lines @@
 
 namespace cc {
 
 // An ordered list of filter operations.
 class CC_EXPORT FilterOperations {
  public:
   FilterOperations();
 
   FilterOperations(const FilterOperations& other);
 
+  explicit FilterOperations(std::vector<FilterOperation>&& operations);
+
   ~FilterOperations();
 
   FilterOperations& operator=(const FilterOperations& other);
 
+  FilterOperations& operator=(FilterOperations&& other);
+
   bool operator==(const FilterOperations& other) const;
 
   bool operator!=(const FilterOperations& other) const {
     return !(*this == other);
   }
 
   void Append(const FilterOperation& filter);
 
   // Removes all filter operations.
   void Clear();
 
   bool IsEmpty() const;
 
   // Maps "forward" to determine which pixels in a destination rect are affected
   // by pixels in the source rect.
   gfx::Rect MapRect(const gfx::Rect& rect, const SkMatrix& matrix) const;
 
   void GetOutsets(int* top, int* right, int* bottom, int* left) const;
   bool HasFilterThatMovesPixels() const;
   bool HasFilterThatAffectsOpacity() const;
   bool HasReferenceFilter() const;
 
   size_t size() const {
     return operations_.size();
   }
 
+  const std::vector<FilterOperation>& operations() const { return operations_; }
+
   const FilterOperation& at(size_t index) const {
     DCHECK_LT(index, size());
     return operations_[index];
   }
 
   // If |from| is of the same size as this, where in each position, the filter
   // in |from| is of the same type as the filter in this, and if this doesn't
   // contain any reference filters, returns a FilterOperations formed by
   // linearly interpolating at each position a |progress| fraction of the way
   // from the filter in |from| to the filter in this. If |from| and this are of
   // different lengths, they are treated as having the same length by padding
   // the shorter sequence with no-op filters of the same type as the filters in
   // the corresponding positions in the longer sequence. If either sequence has
   // a reference filter or if there is a type mismatch at some position, returns
   // a copy of this.
   FilterOperations Blend(const FilterOperations& from, double progress) const;
 
   void AsValueInto(base::trace_event::TracedValue* value) const;
 
  private:
   std::vector<FilterOperation> operations_;
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_FILTER_OPERATIONS_H_