cc: Remove all blimp code from cc.

cc/layers/layer_position_constraint.cc

Index: cc/layers/layer_position_constraint.cc
diff --git a/cc/layers/layer_position_constraint.cc b/cc/layers/layer_position_constraint.cc
index 5d8824e24213b68658a66d176fadfb8246c32c5e..183b6b5b53e90aa2b3562e6d96bea0b56b387e98 100644
--- a/cc/layers/layer_position_constraint.cc
+++ b/cc/layers/layer_position_constraint.cc
@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 #include "cc/layers/layer_position_constraint.h"
-#include "cc/proto/layer_position_constraint.pb.h"
 
 namespace cc {
 
@@ -13,20 +12,6 @@ LayerPositionConstraint::LayerPositionConstraint()
       is_fixed_to_bottom_edge_(false) {
 }
 
-void LayerPositionConstraint::ToProtobuf(
-    proto::LayerPositionConstraint* proto) const {
-  proto->set_is_fixed_position(is_fixed_position_);
-  proto->set_is_fixed_to_right_edge(is_fixed_to_right_edge_);
-  proto->set_is_fixed_to_bottom_edge(is_fixed_to_bottom_edge_);
-}
-
-void LayerPositionConstraint::FromProtobuf(
-    const proto::LayerPositionConstraint& proto) {
-  is_fixed_position_ = proto.is_fixed_position();
-  is_fixed_to_right_edge_ = proto.is_fixed_to_right_edge();
-  is_fixed_to_bottom_edge_ = proto.is_fixed_to_bottom_edge();
-}
-
 bool LayerPositionConstraint::operator==(
     const LayerPositionConstraint& other) const {
   if (!is_fixed_position_ && !other.is_fixed_position_)