Rename SurfaceIdAllocator to LocalSurfaceIdAllocator

cc/surfaces/surface_id.h

 // Copyright 2014 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_SURFACES_SURFACE_ID_H_
 #define CC_SURFACES_SURFACE_ID_H_
 
 #include <stdint.h>
 
 #include <iosfwd>
@@ skipping 50 matching lines @@
   bool operator!=(const SurfaceId& other) const { return !(*this == other); }
 
   bool operator<(const SurfaceId& other) const {
     return std::tie(frame_sink_id_, local_surface_id_) <
            std::tie(other.frame_sink_id_, other.local_surface_id_);
   }
 
  private:
   friend struct mojo::StructTraits<mojom::SurfaceIdDataView, SurfaceId>;
 
-  // See SurfaceIdAllocator::GenerateId.
   FrameSinkId frame_sink_id_;
   LocalSurfaceId local_surface_id_;
 };
 
 std::ostream& operator<<(std::ostream& out, const SurfaceId& surface_id);
 
 struct SurfaceIdHash {
   size_t operator()(const SurfaceId& key) const { return key.hash(); }
 };
 
 }  // namespace cc
 
 #endif  // CC_SURFACES_SURFACE_ID_H_