Move //sky/compositor to //sky/viewer/compositor

sky/compositor/texture_cache.cc

-// Copyright 2015 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 "sky/compositor/texture_cache.h"
-
-#include "mojo/converters/geometry/geometry_type_converters.h"
-#include "mojo/gpu/gl_texture.h"
-
-namespace sky {
-
-TextureCache::TextureCache() {
-}
-
-TextureCache::~TextureCache() {
-}
-
-scoped_ptr<mojo::GLTexture> TextureCache::GetTexture(const gfx::Size& size) {
-  if (size != size_) {
-    available_textures_.clear();
-    size_ = size;
-  }
-  if (available_textures_.empty())
-    return nullptr;
-  scoped_ptr<mojo::GLTexture> texture(available_textures_.back());
-  available_textures_.back() = nullptr;
-  available_textures_.pop_back();
-  return texture.Pass();
-}
-
-void TextureCache::PutTexture(scoped_ptr<mojo::GLTexture> texture) {
-  if (texture->size() != size_)
-    return;
-  available_textures_.push_back(texture.release());
-}
-
-}  // namespace sky