Delete CC.

cc/resources/layer_quad.cc

Index: cc/resources/layer_quad.cc
diff --git a/cc/resources/layer_quad.cc b/cc/resources/layer_quad.cc
deleted file mode 100644
index ff336ba98b2cdbad75d37f47866eba983effc307..0000000000000000000000000000000000000000
--- a/cc/resources/layer_quad.cc
+++ /dev/null
@@ -1,124 +0,0 @@
-// Copyright 2011 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.
-
-#include "cc/resources/layer_quad.h"
-
-#include "base/logging.h"
-#include "ui/gfx/geometry/quad_f.h"
-
-namespace cc {
-
-LayerQuad::Edge::Edge(const gfx::PointF& p, const gfx::PointF& q) {
-  if (p == q) {
-    degenerate_ = true;
-    return;
-  }
-  degenerate_ = false;
-  gfx::Vector2dF tangent(p.y() - q.y(), q.x() - p.x());
-  float cross2 = p.x() * q.y() - q.x() * p.y();
-
-  set(tangent.x(), tangent.y(), cross2);
-  scale(1.0f / tangent.Length());
-}
-
-gfx::PointF LayerQuad::Edge::Intersect(const LayerQuad::Edge& e) const {
-  DCHECK(!degenerate());
-  DCHECK(!e.degenerate());
-
-  return gfx::PointF((y() * e.z() - e.y() * z()) / (x() * e.y() - e.x() * y()),
-                     (x() * e.z() - e.x() * z()) / (e.x() * y() - x() * e.y()));
-}
-
-LayerQuad::LayerQuad(const gfx::QuadF& quad) {
-  // Create edges.
-  left_ = Edge(quad.p4(), quad.p1());
-  right_ = Edge(quad.p2(), quad.p3());
-  top_ = Edge(quad.p1(), quad.p2());
-  bottom_ = Edge(quad.p3(), quad.p4());
-
-  float sign = quad.IsCounterClockwise() ? -1 : 1;
-  left_.scale(sign);
-  right_.scale(sign);
-  top_.scale(sign);
-  bottom_.scale(sign);
-}
-
-LayerQuad::LayerQuad(const Edge& left,
-                     const Edge& top,
-                     const Edge& right,
-                     const Edge& bottom)
-    : left_(left),
-      top_(top),
-      right_(right),
-      bottom_(bottom) {}
-
-gfx::QuadF LayerQuad::ToQuadF() const {
-  size_t num_degenerate_edges = left_.degenerate() + right_.degenerate() +
-                                top_.degenerate() + bottom_.degenerate();
-  if (num_degenerate_edges > 1) {
-    return gfx::QuadF();
-  }
-
-  if (left_.degenerate()) {
-    return gfx::QuadF(top_.Intersect(bottom_), top_.Intersect(right_),
-                      right_.Intersect(bottom_), bottom_.Intersect(top_));
-  }
-  if (right_.degenerate()) {
-    return gfx::QuadF(left_.Intersect(top_), top_.Intersect(bottom_),
-                      bottom_.Intersect(top_), bottom_.Intersect(left_));
-  }
-  if (top_.degenerate()) {
-    return gfx::QuadF(left_.Intersect(right_), right_.Intersect(left_),
-                      right_.Intersect(bottom_), bottom_.Intersect(left_));
-  }
-  if (bottom_.degenerate()) {
-    return gfx::QuadF(left_.Intersect(top_), top_.Intersect(right_),
-                      right_.Intersect(left_), left_.Intersect(right_));
-  }
-  return gfx::QuadF(left_.Intersect(top_),
-                    top_.Intersect(right_),
-                    right_.Intersect(bottom_),
-                    bottom_.Intersect(left_));
-}
-
-void LayerQuad::ToFloatArray(float flattened[12]) const {
-  if (left_.degenerate()) {
-    flattened[0] = bottom_.x();
-    flattened[1] = bottom_.y();
-    flattened[2] = bottom_.z();
-  } else {
-    flattened[0] = left_.x();
-    flattened[1] = left_.y();
-    flattened[2] = left_.z();
-  }
-  if (top_.degenerate()) {
-    flattened[3] = left_.x();
-    flattened[4] = left_.y();
-    flattened[5] = left_.z();
-  } else {
-    flattened[3] = top_.x();
-    flattened[4] = top_.y();
-    flattened[5] = top_.z();
-  }
-  if (right_.degenerate()) {
-    flattened[6] = top_.x();
-    flattened[7] = top_.y();
-    flattened[8] = top_.z();
-  } else {
-    flattened[6] = right_.x();
-    flattened[7] = right_.y();
-    flattened[8] = right_.z();
-  }
-  if (bottom_.degenerate()) {
-    flattened[9] = right_.x();
-    flattened[10] = right_.y();
-    flattened[11] = right_.z();
-  } else {
-    flattened[9] = bottom_.x();
-    flattened[10] = bottom_.y();
-    flattened[11] = bottom_.z();
-  }
-}
-
-}  // namespace cc