Revert "Delete CC."

cc/quads/checkerboard_draw_quad.cc

+// Copyright 2012 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/quads/checkerboard_draw_quad.h"
+
+#include "base/logging.h"
+#include "base/trace_event/trace_event_argument.h"
+#include "base/values.h"
+
+namespace cc {
+
+CheckerboardDrawQuad::CheckerboardDrawQuad() : color(0), scale(0.f) {
+}
+
+void CheckerboardDrawQuad::SetNew(const SharedQuadState* shared_quad_state,
+                                  const gfx::Rect& rect,
+                                  const gfx::Rect& visible_rect,
+                                  SkColor color,
+                                  float scale) {
+  gfx::Rect opaque_rect = SkColorGetA(color) == 255 ? rect : gfx::Rect();
+  bool needs_blending = false;
+  DrawQuad::SetAll(shared_quad_state, DrawQuad::CHECKERBOARD, rect, opaque_rect,
+                   visible_rect, needs_blending);
+  this->color = color;
+  this->scale = scale;
+}
+
+void CheckerboardDrawQuad::SetAll(const SharedQuadState* shared_quad_state,
+                                  const gfx::Rect& rect,
+                                  const gfx::Rect& opaque_rect,
+                                  const gfx::Rect& visible_rect,
+                                  bool needs_blending,
+                                  SkColor color,
+                                  float scale) {
+  DrawQuad::SetAll(shared_quad_state, DrawQuad::CHECKERBOARD, rect, opaque_rect,
+                   visible_rect, needs_blending);
+  this->color = color;
+  this->scale = scale;
+}
+
+void CheckerboardDrawQuad::IterateResources(
+    const ResourceIteratorCallback& callback) {}
+
+const CheckerboardDrawQuad* CheckerboardDrawQuad::MaterialCast(
+    const DrawQuad* quad) {
+  DCHECK(quad->material == DrawQuad::CHECKERBOARD);
+  return static_cast<const CheckerboardDrawQuad*>(quad);
+}
+
+void CheckerboardDrawQuad::ExtendValue(
+    base::trace_event::TracedValue* value) const {
+  value->SetInteger("color", color);
+  value->SetDouble("scale", scale);
+}
+
+}  // namespace cc