Remove crushed sprite resource and layer

ui/android/resources/crushed_sprite_resource.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 "ui/android/resources/crushed_sprite_resource.h"
-
-#include "cc/trees/layer_tree_host.h"
-#include "ui/gfx/android/java_bitmap.h"
-
-namespace ui {
-
-CrushedSpriteResource::CrushedSpriteResource(
-    const SkBitmap& bitmap,
-    const SrcDstRects& src_dst_rects,
-    gfx::Size unscaled_sprite_size,
-    gfx::Size scaled_sprite_size)
-    : src_dst_rects_(src_dst_rects),
-      unscaled_sprite_size_(unscaled_sprite_size),
-      scaled_sprite_size_(scaled_sprite_size) {
-  SetBitmap(bitmap);
-}
-
-CrushedSpriteResource::~CrushedSpriteResource() {
-}
-
-void CrushedSpriteResource::SetBitmap(const SkBitmap& bitmap) {
-  bitmap_ = bitmap;
-  bitmap_.setImmutable();
-}
-
-const SkBitmap& CrushedSpriteResource::GetBitmap() {
-  DCHECK(!bitmap_.empty());
-  return bitmap_;
-}
-
-void CrushedSpriteResource::EvictBitmapFromMemory() {
-  bitmap_.reset();
-}
-
-bool CrushedSpriteResource::BitmapHasBeenEvictedFromMemory() {
-  return bitmap_.empty();
-}
-
-CrushedSpriteResource::FrameSrcDstRects
-CrushedSpriteResource::GetRectanglesForFrame(int frame) {
-  DCHECK(frame >= 0 && frame < static_cast<int>(src_dst_rects_.size()));
-  return src_dst_rects_[frame];
-}
-
-gfx::Size CrushedSpriteResource::GetUnscaledSpriteSize() {
-  return unscaled_sprite_size_;
-}
-
-gfx::Size CrushedSpriteResource::GetScaledSpriteSize() {
-  return scaled_sprite_size_;
-}
-
-int CrushedSpriteResource::GetFrameCount() {
-  return src_dst_rects_.size();
-}
-
-size_t CrushedSpriteResource::EstimateMemoryUsage() const {
-  return bitmap_.getSize();
-}
-
-}  // namespace ui